6 We would be healthy if the air in the city were pure.
7 We would visit you very often if you didn't live so far away.
8 I could play football in this afternoon if I didn't feel tired.
9 If I were tall enough , I would join the basketball team.
10 If the bus weren't always so crowded, I would take it to work every morning.
11 Many new schools have been built in Binh Dinh province by them .( S + have/has + been + Vpp )
12 She said (that) she was having a good time there
13 I suggest watching a film now. ( Why don't we + Vinf = suggest + Ving )
15 The traditional "ao dai" mustn't be thrown away by us. ( S + must + be + Vpp )