Напишите предложения три раза, образуя условные предложения 1,2,3 типов.
1. If he (not to be) very busy, he (to agree) to go to the museum with us.
2. They (to take) measures if they( to know) it before.
3. If you (to ring) me up, i (to tell) you a secret.
4. If he (not to pass) his examinator, he (not to get) a scholarship.
5. We (to meet) if my friend (to work) in my office.

Dear Lucy,

Thank you for your letter, I'm happy, that you are doing great.

I have something to tell you. Yesterday, I went to the shop with my mum and I saw a man who was trying to rob a bank. There were a lot of people inside and the robber threatened them with a gun. I screamed and my mom called the police, when the officer of the police came, he caught the robber. It was the scariest thing of my entire life.

This summer I going to visit Moscow, can you tell me something about this city? My mum is calling me, so I need to go.

Best wishes

Positive sentences

1.have studied

2.has eaten

3.have been

4.have read

5.has lived

6.have known

7.have been

8.have lost

9.has drunk

10.have missed

Negative Sentences

1.Haven't been

2.Hasn't seen

3.Hasn't met

4.Haven't visited

5.Haven't talked

6.Haven't studied

7.Haven't been

8.Hasn't hurt

9.hasn't left

10.Haven't lost

Объяснение:

Для утвердительной формы используем глагол Have (has для 3 лица ед. числа) + глагол в 3 форме

Для отрицания используем глагол Have (has для 3 лица ед. числа) + not + глагол в 3 форме

Present Perfect описывает действия, которые произошли в , но результат виден в настоящем.