Put the articles (a, an, the) where necessary 1. This is camera. 2. This is... David, 3. I'd like to change .. money, 4. ... Martin is from... Italy. 5. This is ... cinema. ... cinema is new. 6. I'd like to buy ... orange. 7. I am student. My brothers are ... farmers. 8. I want to buy .. this stamp. 9. This is my ... Smartphone. 10. ... Smiths live in ... London. 11. These are ... students of our group. 12. ...man entered the room. 13. She has ... aunt and two ... uncles. 14. Would you like ...cup of tea? Yes, I usually drink ... tea in the morning.
В общем: 1. Present Perfect = to have/has + V3 (глагол 3-й формы либо с окончанием "ed", либо из таблицы), используется при вот таких "маячках": just, recently, yet, already, always, (ever) since, ever (вроде все), или когда подразумевается. используется при выделении действия, произошедшего в и имеющего определенный результат в настоящем. Пример: I have just noticed your e-mail, and I'm writing you... 2. Present Perfect Continuous = to have/has + been + V-ing ( глагол с "ing"овым окончанием), используется при выделении действия, произошедшего в и продолжающегося в настоящем. "Маячки": for, (ever) since. Пример: I have been doing my home task for 30 minutes. Вроде как-то так, это лишь малая часть, существует множество нюансов, но это самое основное
1) The match was played by them in the evening.
The match wasn`t played by them in the evening.
Was the match played by them in the evening?
2) The answers were calculated very quickly by them.
The answers weren`t calculated very quickly by them
Were the answers calculated very quickly by them?
3) The movie was filmed in black and white.
The movie wasn`t filmed in black and white.
Was the movie filmed in black and white?
4) The email was sent by them yesterday.
The email wasn`t sent by them yesterday.
Was the email sent by them yesterday?
5) Our house was built ten years ago by them.
Our house wasn`t built ten years ago by them.
Was our house built ten years ago?
6) Penicillin was discovered by Alexander Fleming.
Penicillin wasn`t discovered by Alexander Fleming.
Was penicillin discovered by Alexander Fleming?
7) The shop was opened by the shopkeeper at nine o`clock.
The shop wasn`t opened by the shopkeeper at nine o`clock.
Was the shop opened by the shopkeeper at nine o`clock?