Exercise 1: First Conditional
If it (rain) tomorrow, I will stay at home.
She will be very happy if you (send) her a birthday card.
If they (study) hard, they will pass the exam.
He will be late if he (do) not leave now.
If you (mix) red and blue, you get purple.
We will go to the beach if it (be) sunny.
If she (win) the lottery, she will buy a new car.
They will not understand if you (do) not explain it well.
She will come to the party if she (can) find a babysitter.
If he (eat) too much, he will get sick.
If you (practice) every day, you will improve your skills.
You will not pass the test if you (do) not study.
I will buy that dress if it (be) on sale.
If they (invite) us, we will come to the party.
She will cancel the trip if it (snow) heavily.
Exercise 2: Second Conditional
If I (win) the lottery, I would travel the world.
She would be happy if you (send) her a birthday card.
If they (study) hard, they would pass the exam.
He would be late if he (do) not leave now.
If you (mix) red and blue, you would get purple.
We would go to the beach if it (be) sunny.
If she (win) the lottery, she would buy a new car.
They would not understand if you (do) not explain it well.
She would come to the party if she (can) find a babysitter.
If he (eat) too much, he would get sick.
If you (practice) every day, you would improve your skills.
You would not pass the test if you (do) not study.
I would buy that dress if it (be) on sale.
If they (invite) us, we would come to the party.
She would cancel the trip if it (snow) heavily.