, В 3 можно писать предложения не полностью 3. Use present perfect or present perfect continuous to complete the sentences 1) I (to phone) Jane for a quarter of an hour, but the line is still engaged. 2) It is noon. You (to work) on the computer for two hours already. 3) We never (to be) to Australia. And John (to live) there all his life. 4) Sally is in the classroom. She (to air) the room since the beginning of the break. 5) My cousin (to paint) this portrait for half a year. think she will finish it next month.
4. Make questions and negative sentences 1) Kate has been watering the flowers for half an hour already. 2) Mary and Ann have been planting flowers for a long time. 3) You have been teaching in this school since autumn.​

3

1. I have been phoning Jane for a quarter of an hour, but the line is still engaged.

2. It is noon. You have been working on the computer for two hours already.

3. We have never been to Australia. And John has lived there all his life.

4. Sally is in the classroom. She has been airing the room since the beginning of the break.

5. My cousin has been painting this portrait for half a year. I think she will finish it next month.

4

1) Kate has been watering the flowers for half an hour already.

Вопрос: Has Kate been watering the flowers for half an hour already?

Отрицание: Kate hasn't been wearing the flowers for half an hour.

2) Mary and Ann have been planting flowers for a long time.

Вопрос: Have Mary and Ann been planting flowers for a long time?

Отрицание: Mary and Ann haven't been planting flowers for a long time.

3) You have been teaching in this school since autumn.

Вопрос: Have you been teaching in this school since autumn?

Отрицание: You haven't been teaching in this school since autumn.