Измените предложения по образцу, используя present perfect progressive:
образец: i began to wash up an hour ago/when the guests left. — i've been washing up for an hour/since the guests left.

1. he began to learn english last year. 2. mrs. dobbs moved to bath five years ago. 3. she started working at the book shop when she came to our town. 4. he began to drive his car when he received his driving licence three months ago. 5. they went out to work in the garden after breakfast. 6. my brother started to repair the toaster at 10 o'clock. 7. they began to build the school building last june. 8. i started thinking about changing my job when they offered me a better-paid one. 9. the students started to write their test an hour ago. 10. did you begin smoking when you were 16?

1. He has been learning English since last year.
Explanation: The action of learning English started last year and is still ongoing, so we use the present perfect progressive tense.

2. Mrs. Dobbs has been living in Bath for five years.
Explanation: Mrs. Dobbs moved to Bath five years ago and is still living there, so we use the present perfect progressive tense.

3. She has been working at the bookshop since she came to our town.
Explanation: The action of working at the bookshop started when she came to our town and is still ongoing, so we use the present perfect progressive tense.

4. He has been driving his car since he received his driving license three months ago.
Explanation: The action of driving his car started when he received his driving license three months ago and is still ongoing, so we use the present perfect progressive tense.

5. They have been working in the garden after breakfast.
Explanation: The action of working in the garden started after breakfast and is still ongoing, so we use the present perfect progressive tense.

6. My brother has been repairing the toaster since 10 o'clock.
Explanation: The action of repairing the toaster started at 10 o'clock and is still ongoing, so we use the present perfect progressive tense.

7. They have been building the school building since last June.
Explanation: The action of building the school building started last June and is still ongoing, so we use the present perfect progressive tense.

8. I have been thinking about changing my job since they offered me a better-paid one.
Explanation: The action of thinking about changing my job started when they offered me a better-paid one and is still ongoing, so we use the present perfect progressive tense.

9. The students have been writing their test for an hour.
Explanation: The students started writing their test an hour ago and are still writing it, so we use the present perfect progressive tense.

10. Have you been smoking since you were 16?
Explanation: The action of smoking started when the person was 16 years old and is still ongoing, so we use the present perfect progressive tense.