1. if i were you, i would give her an English dictionary on her birthday

→ cấu trúc: If + S + V2/Ved, S + would/could/should,.. + V 

2. stop making noise and start working

→ stop + V_ing (dừng hành động nào đó lại) , start + V_ing (bắt đầu làm gì)

3. jeans were made (1) about two hundred years ago, and now they are being sold (2) in very corner of the world

→cấu trúc: (1) thì quá khứ đơn (bị động): S+ was/were + V3/V_ed + ...

                  (2) thì hiện tại tiếp diễn (bị động): S +  am/is/are + being + V3/V_ed + ...

4. how about going to the beach and playing volleyball there

→cấu trúc: how about + V_ing

5. those workers get used to work in a noisy factory

→ S + used + to V

6. I haven't seen your brother recently. He hasn't been out of his room since he bought a computer

→cấu trúc: S + have/has + not + V3/V_ed

1. were/ gave

2. Making/ working (stop + Ving/ start+Ving)

3. made/ is selling

4. going (how about +Ving)

5. working (get used to +ving)

6. idk XD