22 deu
verhs in present perfect.
1. the browns leave for the airport - the
2. my sisters/teach me to play tennis -
3. edwin and his younger brother/visit aus
4. mrs dundee/buy a new dishwasher
5. donald/find his old watch
6. john and tom/begin a new life-

he must know a few of foreign languages. he must be working on his new novel now. perhaps they are enjoying the beautiful weather.

-good morning! can i help you?

-oh, yes, please. i'm looking for "prostokvashino" milk. (можешь заменить фирму молока на  

-we have this one. 

-nice! how much?

-2$. 

-here you are.

-thank you. you are welcome. good bye!

-thanks! good bye!

2.they have been living in edinburg for two years

3. he has been waiting for mary more than an hour.

4. they have benn sitting in the garden since dinner time

5. he has been playing tennis since 10 a.m.

6. i have benn learning spanish for 5 years.

7. he has been working for the same company since he left school.

во всех случаях на present perfect continuos указывает промежуток времени и предлоги for, since.