У англичан есть 4 типа использования FS после if. (у англичан это называется - zero, first, second, third conditional)
1. You will never finish your work if you waste your time like that. (First Conditional) (После if нет will, время: future simple (первый тип, естественно)
2. If I had his telephone number, I should easily settle this matter with him. (Если бы я имел (had), это в will 2 тип использования will после if), тут ещё возможно I would (так правильнее), но тут стоит should. (Second Conditional)
3. If it rains tomorrow, our game will be cancelled. (First Conditional) (Present Simple после If it, т.к это первый тип)
4. If a dog bit in her leg, she would go straight to hospital. (Second Conditional)
5. If he had known it was going to rain, he would have taken his umbrella to work today. (Third Conditional) (3 тип это was/were+would).
1. 1. flew
2. rained
3. met
4. worked
5. ran
6. chased
7. baked
8. went
9. drove
10. read
2. 1. Did he go to town yesterday?
2. Did she come from France?
3. Her rucksack was red.
4. They left home yesterday.
5. Did Peter live in Scotland?
6. Granny listened to the radio last night.
7. My big brother swam in the swimming pool.
8. Did you attend this school?
3. 1-d, 2-a, 3-e, 4-c, 5-f, 6-b
4. 1. Did Mary live in London?
2. Did you get up in seven?
3. Did we go to school by train?
4. Did Peter study German last year?
5. Did I have lunch in a restaurant?
6. Did the sun set at 6 PM?
7. Did babies sleep quietly last night?
8. Did my cat eat some fish?
5. 1. They didn't run by the river
2. He didn't play football last week
3. My father didn't call a taxi to work
4. Mrs. Smith didn't wash her car
5. I didn't water the plants
6. Maria didn't drive fast
7. We didn't buy any books two days ago
6. 1. Did/Didn't
2. Didn't/Did
3. Did/Didn't
4. Did/Didn't
5. Didn't/Did
6. Did/Didn't
7. Did/Didn't
8. Did/Did
Объяснение: