Complete the second sentence so that it has a similar meaning to the first sentence using the word given. Do not change the word given. Use between three and six words, including the word given. 1) We didn’t fi nd the fault until we started using the system.
WHEN
We using the system.
2) The president was chairing the meeting about international trade relations.
WHICH
The president was chairing the meeting, international trade relations.
3) They had reached an agreement, but there were still some problems.
ALTHOUGH
, there were still some problems.
4) I don’t care what you say – you must complete the project by Monday.
WHATEVER
The project must be completed by Monday .
5) Relations between the two countries haven’t improved; it is impossible until they agree to meet.
UNLESS
Relations between the two countries to meet.
6) The two companies agreed to work together because they wanted to benefi t from each other’s experience.
ORDER
The two companies agreed to work together from each other’s experience.
7) The president won’t sign the agreement unless he is sure the benefi ts outweigh
the disadvantages.
PROVIDED
The president the benefi ts outweigh the disadvantages.
8) I went to the international relations conference last week and then I went to
Greece for an economic conference.
BEFORE
Last week, an economic conference, I went to the international relations conference.
9) She wanted to fi nish the report, so she didn’t go out.
THAT
She didn’t go out the report.

Present Perfect (Present Perfect Simple) – настоящее совершенное время. Ему нет соответствий в русском языке. Нам может быть трудно понять Present Perfect, потому что англоговорящие люди иначе воспринимают понятие времени. С точки зрения русского языка действие в настоящем времени не может закончиться, на то оно и настоящее. Если действие завершилось значит, время должно быть Английский язык придерживается другой логики: в нем действие в настоящем может закончиться, и пример этому – Present Perfect.

Объяснение:

Сказуемое в Present Perfect состоит из вс глагола have (has) и основного глагола. С местоимениями I, you, we, they и существительными во множественном числе мы используем have, с местоимениями he, she, it и существительными в единственном числе – has.

В качестве основного глагола в Present Perfect мы используем третью форму глагола. Получить ее можно двумя если глагол правильный, мы добавляем окончание -ed к основе. 

1.      Complete the sentences with must, mustn’t or the correct form of have to.

1. In Britain you _must_ drive on the left.

2. Every player in a football team _must_ have a number.

3. You _mustn’t__ forget his birthday again.

4. We didn’t go to the cinema last night. We _had to_ stay at home.

5. __Do__ pupils in Spain __have to__ learn Latin at school nowadays?

6. You __mustn’t __ smoke in public places.

7. My wife _doesn't have to__ go to work today. It’s a holiday.

8. You __don't have to__ shout. I can hear you.

9. We _must__ be quiet in the library.

10. Nick _must__ buy fruits at the supermarket tomorrow.

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