Ex 3. Give the correct form of the verbs:
1. She won't finish it on time if she ............ (not start) right now.
2. She ............ (get) angry if you told her.
3. If I ............(ask) him, he won't come.
4. It will be a disaster if they ............ (not help) us.
5. If you ............ (have) something to eat, you wouldn't felt sick.
6. I wouldn't risk it if I ............ (be) you.
7. She would get fat if she ............ (not stop) eating.
8. If you take my advice, you ........................ (be) happy.
9. What would you do if you ........................ (be) me?
10. I will be unhappy if you ........................ (leave) me.
Ex 4. Rewrite these sentences, unchange their meaning
1. He can’t go out because he has to study for his exam.
=> If ……………………………………………………………………..
2. She is lazy so she can’t pass the exam.
=> If ……………………………………………………………………..
3. He will pay me tonight; I will have enough money to buy a car.
=> If ……………………………………………………………………..
4. He smokes too much; that’s why he can’t get rid of his cough.
=> If ……………………………………………………………………..
5. She is very shy, so she doesn’t enjoy the party.
=> If ……………………………………………………………………..
6. I will get a work permit. I will stay for another month.
=> If ……………………………………………………………………..
7. He doesn’t take any exercises. He is so unhealthy
=> If ……………………………………………………………………..
8. I don’t have an umbrella with me so I get wet.
=> I wouldn’t .…………………………………………………………..
9. I call the police because you don’t leave me alone.
=> If ……………………………………………………………….
10. You drink too much coffee, that’s why you can’t sleep.
=> If you ………………………………………………………………..
1, If either of you take -> takes a vacation now, we won't be able to finish this work
2, Among the world's 44 richest countries, there has been not -> been no war since 1945
3, What we know about certain diseases are -> is still not sufficient to prevent them from spreading among the population