1. I think you should recycle these plastic carrier bags.
-> If I were you ...........................................................
2. She said: "You must keep quiet if you want to stay here"
-> She told me that .............................................................
3. They will widen the gate to let the cars run into the yard easily.
-> The gate ....................................................................................
4. The last time Phong visited Tasmania was five years ago
-> Phong hasn't .......................................................................
5. Nam said: "I like to do physics experiment"
-> Nam said ....................................................
6. They don't have a map, so they get lost.
-> If ...........................................................
7. She didn't go to the circus with Betty because she had a bad cold
-> Because of ....................................................................................
8. If she doesn't work hard, she will not pass her exam
-> Unless ......................................................................
9. Is she making big cakes for the party?
-> Are ....................................................
10. David had gone home before we arrived.
-> After ........................................................
11. We had lunch then we took a look around the stops.
-> Before .......................................................................
12. The light had gone out before we got out of the office.
-> By the time ...................................................................
13. Lan wants to drink some coffee.
-> Lan would ......................................
David left the party before we arrived there.
--> After David had left the party, we arrived there.
The last time she went to the zoo was four weeks ago.
--> She hasn't gone to the zoo for 4 weeks.
I haven't come there for two years
--> I last came there 2 years ago.
She last saw him many years ago.
-->It's many years since I last saw him.
The last time I went to the sea was three years ago,
-->I haven't gone to the sea for 3 years.
I have never stayed in such an expensive hotel before.
-->This is the first time I have stayed in such an expensive hotel.