1. On weekdays my parents don't go swimming.
- S + do/ does + not + V (bare).
2. I don't watch TV as much as my sister.
- as + adj + as.
3. It was going to take so long to travel by train that we decided to go by plane.
- decide + to V.
4. I haven't spoken to Tom since I lent him my hat.
- S + last + V2 + time = S + haven't/ hasn't + V3 + time.
5. Air travel is the fastest kind of transport.
- S + tobe + the + adj + "est" + N.
6. If the cafe had not been dirty, he would have eaten there.
- If + Quá khứ hoàn thành, S + would + have + V (Pii).
7. You will cost at least $ 100,000 to buy a house in that district.
- at least: ít nhất.
8. I really need my car repaired soon.
9. It is believed that someone murdered Mr. Harry.
10. So long as I have some free time tomorrow, we can meet for a cup of coffee.
- S + can + V (bare).