If it ______ (rain) tomorrow, I ______ (stay) home.
If she ______ (study), she ______ (pass) the exam.
If they ______ (arrive) late, they ______ (miss) the bus.
If you ______ (not/hurry), you ______ (be) late.
If he ______ (call), I ______ (tell) him the news.
If we ______ (leave) now, we ______ (catch) the train.
If you ______ (eat) too much, you ______ (feel) sick.
If she ______ (practice), she ______ (improve).
If they ______ (invite) me, I ______ (go) to the party.
If you ______ (help) me, I ______ (help) you.
Answers:
1. rains, will stay | 2. studies, will pass | 3. arrive, will miss | 4. don't hurry, will be | 5. calls, will tell
6. leave, will catch | 7. eat, will feel | 8. practices, will improve | 9. invite, will go | 10. help, will help
Exercise 2: Choose the correct form
If it (rains / will rain), I will stay home.
If she studies, she (gets / will get) good grades.
If you are late, the teacher (is / will be) angry.
If you (don't / won't) study, you will fail.
If they invite me, I (go / will go) to the party.
If you (eat / will eat) too much, you will feel sick.
If she (doesn't / won't) practice, she won't improve.
If he (calls / will call), I will tell him.
If we (don't / won't) hurry, we will be late.
If you (help / will help) me, I will help you.
Answers:
1. rains | 2. will get | 3. will be | 4. don't | 5. will go
6. eat | 7. doesn't | 8. calls | 9. don't | 10. help
Exercise 3: Make negative sentences
If you study, you will pass. (Make negative) → ____________________
If she comes, I will be happy. (Make negative) → ____________________
If they hurry, they will catch the train. (Make negative) → ____________________
If you eat healthy food, you will feel good. (Make negative) → ____________________
If he apologizes, she will forgive him. (Make negative) → ____________________
Answers:
1. If you don't study, you will fail.
2. If she doesn't come, I will be sad.
3. If they don't hurry, they will miss the train.
4. If you don't eat healthy food, you will feel bad.
5. If he doesn't apologize, she won't forgive him.
Exercise 4: Replace "if not" with "unless"
If you don't study, you will fail. → Unless you study, you will fail.
If she doesn't come, I will be sad. → ____________________
If they don't hurry, they will miss the bus. → ____________________
If you don't practice, you won't improve. → ____________________
If he doesn't apologize, she won't forgive him. → ____________________
Answers:
1. Unless you study, you will fail.
2. Unless she comes, I will be sad.
3. Unless they hurry, they will miss the bus.
4. Unless you practice, you won't improve.
5. Unless he apologizes, she won't forgive him.
Exercise 5: Correct the mistakes
If it will rain, I will stay home. → ____________________
If she studies, she passes the exam. → ____________________
If I will be late, I call you. → ____________________
Unless you don't study, you will fail. → ____________________
If they invite me, I go to the party. → ____________________
Answers:
1. If it rains, I will stay home.
2. If she studies, she will pass the exam.
3. If I am late, I will call you.
4. Unless you study, you will fail.
5. If they invite me, I will go to the party.