I.Rewrite the following sentences, beginning with the words given
1. Nam's still studying English. He started studying it two years ago.
Nam has ____________________________________________________________________
2. The university started building a new campus in May. They are still building it.
The university has ______________________________________________________________
3. Mary is staying at a homestay during her undergraduate programme. The programme began three weeks ago.
Mary has ____________________________________________________________________
II. Rewrite the followinh sentences, usinh perfect gerund or perfect participle
4. Tonya had dumped a lot of rubbish on the beach. She was strongly criticised for that.
Tonya _____________________________________________________________________
5. These big companies had invested in wind and solar energy. The government praised them for that.
The government ___________________________________________________________________
6. I have worked with hes before. I remember that.
I remember ___________________________________________________________________
7. David did his homework and then went to bed.
Having  ___________________________________________________________________
8. Because he hadn't studied hard enough for his exam, Tom couldn't pass it.
Not ___________________________________________________________________