2. Hue festival was attended by many international artists this year 

( câu bị động : attended : tham dự ⇒ was atttened : đã được tham dự )

3. You should start to run and see if that help you to lose weight

( why don't you + Vo.... = you should = khuyên làm gì đó )

4. Although it's very noisy in the city, we enjoy living there 

( MĐ1 but MĐ2 ⇒ Althought + MĐ1 , MĐ2 = mặc dù... )

5. His wife spends 15 minutes writing that postcard

( S + spend + thời gian + Ving... )

`2` Hue festival was attended by many international artists this year 

`+` Chủ động thì QKĐ : 

`-` S + Ved/V2 + O 

`-` S + didn't + V-inf + O 

`-` Did + S + V-inf + O ? 

`+` Bị động thì QKĐ : 

`-` S + was/were + Vpp + ( by O ) 

`-` S + was/were + not + Vpp + ( by O ) 

`-` Was/were + S + Vpp + ( by O ) ? 

`3` You should start to run and see if that help you to lose weight 

`-` should + V-inf : nên làm j 

`-` Why don't + S + V-inf ? 

`4` Although it's very noisy in the city , we enjoy living there 

`-` Although + clause 1 , clause 2 

`-` Clause 1 + but + clause 2 

`->` Sự đối lập , tương phản giữa 2 mệnh đề 

`5` His wife has written that postcard for 15 minutes 

Hoặc : His wife spent 15 minutes writting that postcar 

`-` S + has/have + Vpp + O 

`-` spend time doing sth : dành thời giam làm j