1.Complete the pairs of sentences. Use the Present Perfect in one sentence and the Past Simple in the other. I (know) her for six years.
I (know) him when I was at school.

He (live) in Paris from 1997 to 2000.
He (live) in New York since 2001.

Where's Pete? I (not see) him for ages.
I (not see) Pete last night.

We (be) at primary school from 1993 to 1998.
We (be) in this class since September.

I (not watch) this video yet.
I (not watch) a video at the weekend.

2. Put the verbs in brackets in the Past Simple or in the Present Perfect.

1. I (never/ be) to the USA. I (want) to go there last summer but I couldn’t.

2. He (live) in this street all his life.

3. His father (come back) to London last Sunday.

4. Yan (write) a letter to Nick two days ago.

5. He (send) his letter yesterday.

6. They (just/ buy) some postcards.​

1After looking for my younger sister in the playground for a few minutes, i finally __SPOTTED_ her playing behind a tree.

2. My mum was so busy cooking that she didn't __NOTICE__ me come in the house.

3. Jayden was too tired to do the maths problem, so he just __GAZED__ out the window.

4. Holly _GLANCED___quickly at her watch, hoping she wasn't late.

repeat, reply, report, reveal

5. What did you __REPLY__ to his question?

6. In his biography, he _REVEALED___that he had a twin brother.

7. Can you _REPEAT__ that please? I didn't quite hear you.

8. After a pickpocket grabbed my wallet with all my credit cards, I had to call the bank and _REPORTED__ the theft.

1

1. Many wildlife habitats will be destroyed, if man keeps polluting the environment.

2. If we dump all sorts of chemicals into rivers,  we will not be able to swim in them in the future.

3. If we do not stop cutting down so many trees, we will be endangered our oxygen supply

2

1. If another student asked to copy my homework, I would say «No».

2. I would call the police, if I lost in the forest at night.

3. If my mobile phone fell in the toilet, I would ask some help.

3

1. If the government had given more money to the factory, it would not have been closed.

2. If we had listened to the weather-forecast, we would have known it was going to rain.

3. If you had prepared for the exam, you would have passed it.

4. If Bill had seen the house, he would not have bought it.