сделать.
Choose the past simple or the present perfect
1. My uncle (sing) karaoke at yesterday's party.
2. Our soldiers (not be) to Africa yet.
3. She (already do) her Christmas shopping.
4. The Americans (launch) new space shuttle a few years ago.
5. Who (write) the graffiti on the wall yesterday?
6. Mary (graduate) from university last July.
2. school doesn't finish at two o'clock. does school finish at two o'clock?
3. you don't copy from other students. do you copy from other students?
4. We don't think English is easy. Do they think English is easy?
5. my friends don't play basketball. Do my friends play basketball?
6. I don't watch TV on Sunday morning. Do you watch TV on Sunday morning?
7. He doesn't speak Japanese. Does he speak Japanese?
8. the dog doesn't like bones. Does the dog like bones?
9. they don't listen to pop music. Do they listen to pop music?
10. I don't play with my dog every day. Do you play with your dog every day?
Указатели: now, just now, at this moment , at present , these days, currently
Образование : Subject(существительное)+am/is/are + Ving(Глагол с ing)
Pr. Perf. отвечает на вопрос что сделал?
Употребляется, если речь идет о действии , которое завершилось до момента разговора , если сам результат свершившегося имеет значение в настоящее время.
Указатели : this week , ever, never, often, already, just (Я только что выучил = I havejust learnt), since, for , so far, lately, recently
Образование: Subject(сущ.)+have/has+Verb3(глагол в 3 форме)
Как мы знаем, времена должны согласовываться в предложении, но есть исключения когда с Pr. Perf. употребляется
1) Если есть SINcE тогда будет Pr.Perfect since Past Simple (I have known him since I was 5 = Я знаю его с тех пор, как мне было 5)
2) Если есть It is years/A long time + since+ Past Simple (It is years since I was here)