Нужно предложения преобразовать во время the present perfect tence. 1.y knew him for 10 years. 2. they did their homework 3. she wrote a letter 4. mother cooked dinner 5. she opened the window 6. they had brekfast 7. he madi 3 miistakes in his homework

1. i have known him for 10 years.

2. they have done their homework.

3. she has written her letter.

4. mother has cooked dinner.

5. she has opened the window.

6. they have had breakfast.

7. he has done three mistakes in his homework.

1. i have known him for 10 years.

2. they have done their homework

3. she has written a letter

4. mother has cooked dinner.

5. she has opened the window.

6. they have had breakfast.

7. he has done 3 mistakes in his homework.

1.  his  composition  is  much  more  interesting  than  yours  or  mine 2.  it  was  through  no  fault  of  hers 3.  you  can  do  without  my  help  but  not  without  theirs 4.  this  radio-set  of  his  is  always  out  of  order. -  but  so  is  yours! 5.  the books on the table are ours 6. the  pleasure was all mine

They say mr.voronin (works/work/working/does working) in the office. do you seldom stay (in/at/on/ничего) home? our engineers often (starts/start/starting/starten) work at 9 o'clock. he lives in berlin, (isn’t/doesn’t/livesn’t/does) he? she (meets/is meeting/meet/meeting) foreing businessmen every day. (have/has/is/are) there any contracts with gml company? mary asks if we (would going/goes/will go/do go) to the country.   usually they meet (from/after/in/from) lunch. he was charged with a serious (outrage/insult/annoyance/offence). she is (after/on/at/for) business. mr.brown came out of the office at 2 p.m.the car (was waiting/wait/waiting/is waiting) for him. she (am/be/are/is) a manager. he usually has lunch (for/at/in/on) 2 o’clock. it (am/to/is/are) a file. where (where/is/was/are) you the day before yesterday? were (hertz/volt/walt/ampere) is the new unit of frequency adopted in 1960. where is jane? i am (tired with/tired about/tired of/tired to) waiting? they wonder how many customers we (has/have/having/do have). britith businessmen are interested (at/to/in/for) buying new models of planes. he … never … this name.(have heard/has heard/have hear/heard). who (does speak/speak/do speak/speaks) three foreign languages in you group? there (amn’t/aren’t/isn’t/haven’t) his letters. we (have studied/has study/studying/studies) the contract from in detail.