Level: A2 – C2
Time: 3-4 weeks
Targets: Speaking, Grammar, Pronunciation
The conditional forms are one of my favorite grammar points to teach because they’re practical and practice-able!
When teaching any grammar point, it’s helpful if you look for situations where they are actually used in natural conversation.
The first conditional tends to come up in predictions, negotiations, and consequences. The second conditional comes up in hypotheticals and wishes, and so on. When I teach conditionals in ESL, I tend to focus on function and usage rather than grammar forms.
If your future students are going to meet the four conditionals, you’ll want to be ready with a wealth of resources that make them accessible.
I’ve collected some of the activities I use in my classroom—and a free assessment you can download to check your students’ understanding of conditional forms in English.
What Are Conditionals?
Conditionals are sentence structures we use to talk about causes and consequences—what happens, what might happen, what could happen, or what could have happened under different circumstances.
They connect a condition (usually introduced by if) with a result, allowing us to express facts, possibilities, imaginary situations, advice, predictions, and regrets.
Because each type of conditional expresses a different relationship between the condition and its result, helping students understand when to use each one is just as important as teaching how to form it.
I’ll start by giving a brief explanation of each conditional 0-3, so we’re all on the same page. I’ve also included some common errors that English learners make when using them.
Ready to jump right in? You can grab my all-in-one bundle here.
Or, read on to see some of my favorite activities for practicing zero, first, second, and third conditionals.
But First…Grab a Free Conditional Assessment!
I’ve created a free 20-question First Conditional Assessment Quiz that checks students’ understanding of sentence structure, verb forms, and meaning. It’s a quick way to identify common mistakes before they become habits.
What Is the Zero Conditional?
We use the zero conditional to talk about facts, general truths, habits, routines, instructions, and things that are always true.
The structure is simple:
If + present simple, present simple
For example:
- If you heat water to 100°C, it boils.
- If people don’t drink enough water, they get thirsty.
- If you press this button, the machine starts.
The important thing is that the result is always true or happens every time.
What Is the First Conditional?
We use the first conditional to talk about real or likely future situations and their possible results.
The structure is simple:
If + present simple, will + base verb
For example:
- If it rains, we’ll stay inside.
- If you study, you’ll pass the test.
- If you cook dinner, I’ll wash the dishes.
The important thing is that we’re talking about something that will actually happen.
Learn more about teaching the 1st conditional here.
What Is the Second Conditional?
We use the second conditional to talk about imaginary, unlikely, or hypothetical situations in the present or future and what would happen if they were true.
The structure is simple:
If + past simple, would + base verb
For example:
- If I won the lottery, I’d travel around the world.
- If she spoke Japanese, she’d move to Tokyo.
- If we had more time, we’d visit every museum.
The important thing is that we’re imagining a situation that isn’t true or isn’t very likely to happen.
What Is the Third Conditional?
We use the third conditional to talk about imaginary situations in the past and how things could have been different.
The structure is simple:
If + past perfect, would have + past participle
For example:
- If I had left earlier, I would’ve caught the train.
- If they had studied harder, they would’ve passed the exam.
- If we’d brought a map, we wouldn’t have gotten lost.
The important thing is that the past can’t be changed—we’re only imagining a different result or expressing regret about what happened.
Three Common Mistakes Students Make
After teaching conditionals for many years, I’ve noticed the same errors come up again and again. Fortunately, they’re easy to fix once students know what to look for.
1. Using will and would in the if clause.
This is by far the most common mistake. Native speakers do it all the time. But I refuse to let it slide in the classroom, or when people say it on TV. I can’t help it. I’m a grammar nerd.
❌ If I would have known, I would have told you.
✅ If I had known, I would’ve told you.
Remind them that the if and will/would can NEVER be in the same clause. They’re not friends, and they don’t want to be next to each other.
The same rule applies to many future time expressions, including when, after, before, and as soon as.
2. Forgetting the 3rd-Person -S
In the 1st conditional, students are focused on using the future forms, so it’s easy for them to forget that the if clause is still in the simple present.
❌ If he study hard, he’ll pass.
✅ If he studies hard, he’ll pass.
This is a great opportunity to review third-person singular forms without making it feel like a separate grammar lesson.
3. Forgetting the comma between the if and result clause.
Students should know that the if and result clause can trade places, but the comma is only necessary when starting with an if clause.
- If you hurry, you’ll catch the bus.
- You’ll catch the bus if you hurry.
Again, very useful in any conditional tense they are learning. Practicing both word orders helps students sound much more natural and gives them a range of ways to communicate.
Use Interactive Anchor Charts
Anchor charts are great to be used as a reference, but they are missing a key component: retention! Along with my anchor charts, I supply students with their own blank chart that they can fill out for maximum absorption through writing.
My charts include the most common errors and practice correcting conditional sentences.
You can get the complete set of anchor charts and worksheets here ->
They can come up with their own creative examples, or use the official chart. Copying the chart works wonders in keeping students active in their learning process.
I Explained The Grammar-What’s Next?
After introducing the grammar for each conditional, you might be tempted to move into communicative activities as quickly as possible.
Hold on!
Don’t forget about pronunciation.
Before you get them talking, take a moment to teach the pronunciation of contracted forms like I’ll, you’ll, he’d, she’d, and would’ve.
Pronunciation Practice
Students often read contractions as two separate words or pronounce contracted forms unnaturally.
I always include a pronunciation chart and activity that will boost their confidence and recognition of reduced forms.
A little practice with reduced forms pronunciation will go a long way in hosting a successful conditionals lesson:
- I’ll be there. = “ahl”
- you’d be there. = “yood”
- she’d be there. = “sheed”
- he would’ve been there there. = “wood-uv”
- it’ll be there. = “ittle”
Students are far more likely to use conditionals naturally if these contractions feel comfortable.
A few minutes of choral repetition, minimal-pair practice, and quick substitution drills can make a big difference in their engagement.
They hope to sound natural. They want to sound cool. And you can help them get there.
My Favorite Conditional Activities for ESL
Once students are aware of the grammar and can say the structure smoothly, you can put the grammar and pronunciation into action with communicative activities that get students thinking, negotiating, predicting, and most importantly, having fun.
So without further ado, here are some of my favorite activities for teaching conditionals grammar in high school and adult ESL.
If my students love it, chances are yours will, too!
Role Play (All Conditionals)
I love starting off with short, casual dialogues. These are realistic conversations in situations that students may actually find themselves in.
For the first conditional, I use a worksheet with an interaction between a customer and clerk about buying and caring for a new cactus. The dialogue includes:
- reduced forms of contractions with will
- interjections and idiomatic expressions
- polite language demonstrations
- question forms
Role play is a great way to warm students up before they begin creating their own conversations.
Question Forms (All Conditionals)
Don’t forget about question forms!
Learning how to ask questions in conditional forms is a definite must. Students typically forget to invert the subject and will auxiliary, as in: “Where you would go?”
I use a fill-in chart that helps solidify the structure with practice to back it up.
Students can then interview each other about their plans:
- If you went on vacation, where would you go?
- What landmarks would you visit?
- Who would you take with you?
Because there isn’t one correct answer, students focus on communication instead of memorization.
Listening Transcription (All Conditionals)
Once students have had individual practice time, they can see how well they do with listening and speaking among themselves.
To do this, I give each partner in a pair a set of 5 sentences for them to read to dictate to their partner.
Once each pair has read and written their sentences, they can compare and check for errors.
This works great in larger classrooms, because students get to become teachers as they correct their classmates’ errors.
Chain Stories (All Conditionals)
One student begins:
If I win the lottery…
The next student continues:
If you win the lottery, you’ll buy a sports car.
The next student builds on that idea, and before long the story has become completely ridiculous—which usually means everyone is participating.
Proverb Partners (0 Conditional)
Those little life lessons often appear in conditional form. Proverbs are a great way to introduce students to some common clichés, like:
- When life gives you lemons, make lemonade!
- If at first you don’t succeed, try, try again.
I like to cut up slips of paper that contain half of a proverb (When life gives you lemons,) and then distribute them randomly. Students can mingle and try to find their missing half’s proverb (…make lemonade.)
Then, we write them on the board and discuss as a class. It can even be done as a race for extra excitement.
Rewards & Consequences (0 & 1st Conditionals)
Students decide on rewards and consequences for helping parents manage their kids’ behavior at home.
- If you throw toys, you don’t get dessert.
- If you use polite language, you’ll earn 20 minutes of screen time.
Afterward they present and compare their rules with their classmates to see who is more strict. Using real-life examples many students can relate to is a great way to find common ground in a diverse classroom.
While You’re Here… Why Not Grab The 1st Conditional Assessment, Too?
The First Conditional Assessment Quiz checks students’ ability to use and understand if/will clauses. It’s a great way to start (or end!) a lesson on conditionals.
Negotiations (1st Conditional)
One useful function of the first conditional is negotiating. Negotiation is a valuable skill that will serve students well in their future endeavors. You can get them started by having them role-play the task of negotiating housework.
- If you wash the dishes, I’ll cook dinner.
- If you take out the trash, I’ll clean the bathroom.
It’s practical, funny, and gets students making real offers and compromises.
Superstitions Around the World (1st Conditional)
This activity is always a crowd-pleaser… knock on wood.
I start by asking students if they are superstitious, and whether they think their classmates are or are not superstitious.
Then I share some of my favorite American superstitions, like breaking a mirror or seeing a ladybug.
This opens the floor for students to share their own favorite superstitions, lucky numbers, or symbols. Students are encouraged to give an example and say what will happen according to popular belief.
For example:
- If you break a mirror, you’ll have seven years of bad luck.
- If your palm itches…
It’s a great way to compare cultures while practicing the target grammar.
Desert Island Survival (2st Conditional)
If you were stranded on a deserted island and could only take three things with you, what would you take?
This classic question is a great warm up or complete activity. I show a bunch of survival supplies and students choose their top 3 before reading about the actual items you would want to have for survival.
- I’d take a flashlight. I’d use it to see in the dark.
- I’d take a fish hook to help me catch fish.
It’s always fun to imagine having to survive with only a handful of items.
The Blame Game (3rd Conditional)
The 3rd conditional is great for expressing blame when things go wrong.
Students are put to task to decide who is at fault for breaking a vase, given certain specific information:
- The vase wouldn’t have broken if Ellen hadn’t been running.
- She wouldn’t have been running if Sue hadn’t been knocking at the door.
This is a light-hearted way to show how the 3rd conditional is used when we want to assign blame.
Don’t Forget… Grab Your Free Conditional Assessment!
This 20-question First Conditional Assessment Quiz checks students’ grasp of the four conditionals in English. It’s a quick way to identify common mistakes before they become habits.
Want the Complete Lesson?
If you’re looking for an entire conditional unit instead of piecing activities together from different sources, I’ve put everything I use into one ready-to-teach resource.
It’s designed to move students from understanding the grammar to using it confidently in real conversations, with plenty of variety to keep the lesson engaging.
👉 Take a look at the complete Conditional Bundle Activity Pack here.
Final Thoughts
I’ve found that students don’t really learn to use conditionals by completing twenty isolated grammar sentences. They learn it by talking, negotiating, predicting, laughing, and making connections to real life.
Once they start using the language to discuss things that actually matter to them—whether it’s chores, lucky charms, or what they would do if they had three wishes—the grammar begins to stick.
Your students are going to make mistakes—and that’s okay. In fact, I’d be worried if they didn’t! Mixing up will and would, forgetting a verb ending, or choosing the wrong conditional is all part of the learning process. Don’t let those mistakes stop students from communicating.
The goal isn’t perfect grammar from day one; it’s giving them enough confidence to express ideas, take risks, and learn through meaningful conversations. Accuracy will improve with practice, but communication should always come first.
I hope some of these classroom ideas give you a few new ways to make your own first conditional lessons a little more memorable. And if you’d like a ready-to-go lesson with everything planned for you, be sure to check out the complete activity pack and grab the free assessment, too!
Thanks for reading and happy teaching!
Elsa H.
