will have been teaching chemistry for forty years when he retires.
Exercise 1. Make sentences using the Present Perfect Continuous. 1. Somehow I must restore calm: this French business (spin) in my head like a toy in space.
2. “I (look) at your expense account, Brian”, said Vic turning over the bills and receipts on his table.
3. Chuck (do) development consulting with a new production company lately. 4. - Sorry to disturb
you. - It's OK. I (read). 5. The work I (do) on finance has involved quite a bit research. 6. For the
past few years, environmental campaign groups, academics and statisticians (develop) a set o f
sustainability indicators to describe the current environmental state in the country. 7. Some political
fund-raisers (recently/lobby) for the extent o f resource centers to be used as the key indicator o f
public cultural activities. 8. They (talk) for about an hour. No idea when the discussion might be
over. 9. The members o f Career Service staff (consult) students since the Office o f Pre-professional
Advising was established. 10. Jack (do) science for quite a long time. 11. George (work) all day. 12.
He (stay) in the hotel for the last few days.
Exercise 2. Compare the Present Perfect Simple and the Present Perfect Continuous. Present Perfect Simple Present Perfect Continuous I
have typed the letter (Here it is.)
I
have been typing for an hour but I am only
half through.
-
It’s
OK. I can talk. I
have been just
typing. He
has lived here for a long time.
He
has been living here for a long time.
How long
have you
worked here?
How long
have you
been working here?
I
