Надо перевести предложение вpresent perfect или в past indefinite​

трансформируйте предложения по модели.

model: i last saw jack five years ago. - i haven't seen jack for five years.

i last saw jack in 2001. - i haven't seen jack since 2001.

1. he hasn't   washed his car for two weeks.

2. kate hasn't visited her grandpa for a month.

3. i haven't swum in this river since last july.

4. peter hasn't skated for years.

5. mary hasn't   spoken german for five years.

6. i haven't eaten potatoes for three years.

7. john hasn't played the guitar since his youth.

8. we haven't arranged a party for three months.

9. the students haven't written a dictation since the beginning of the term.

10. paul hasn't watched tv since sunday.

11. i haven't seen them since spring.

12. we haven't been to the swimming-pool for a year.

13. i haven't talked to him since your birthday party.

4. james hasn't   got a good mark for three months.

15. sue hasn't   bought make-up for two years.

1 who went to paris last summer?

2 what flowers grow in mike’s garden?

3 where are they walking now?

4 why has lola denied a charge?

5 when will we visit our grandmother?