1. It took people more time to communicate with each other in the past.
→ S + spend(s)/spent + time + V_ing: Ai đó dành thời gian bao lâu làm gì
= It + takes/took + O + time + to_V
2. Letters used to be written to keep in touch with her when he lived far from her.
→ bị động với "used to": S + used to + be + V3/ed + (by+O)
3. When was that phone used by our teacher?
4. Why don't we go on a picnic this weekend?
→ How about/What about + V_ing = Why don't we + V0 = suggest + V_ing ...: đề nghị làm gì
5. Let's watch a comedy.
6. "Why don't you go to be after taking some medicine" saod his friend.
7. What about eating out and going to the amusement park?
8. Despite the bad weather, the football match was not cancelled.
→ Although + S + V, S + V: Mặc dù ... nhưng ...
= Despite/In spite of + N/V_ing, S + V