В чём разница предложений?Work in pairs. Explain the difference between sentences a and b in each pair. 1 a)i'm doing my homework after school.
d) I do my homework after school
2 a) Joe is learning to drive.
b) Many teenagers learn to drive when they are seventeen.
3 a) Mark plays the guitar.
b) Mark is playing the guitar.
4 a) We aren't going on holiday in August.
b) We don't go on holiday in August.​

1. meet

2. support

3. were arguing

4. contists

5. will pass

6. has

7. will explain

8. appoints

1. the boys are playing football now. they are tired. they have been playing football an hour and a half.

2) tom began talking on the phone an hour ago. i think he should finish. he has been talking on the phone for more than an hour already.

3) roy came to see  the dentist at nine o`clock. it is 9: 30 now.

roy has been waiting for the doctor since 9: 00 a.m.

4) colin became a professor in 1998. he has been working at the university since he became a professor.

5) the greens went to canada last summer. they are living in canada now. they have been living in canada for about a year.