`1`. My friend, Lan is good at speaking English

→ tobe good at doing s.th: giỏi làm gì đó

`2`. We mustn't drive on the right side in Canada

→ must/ mustn't + V_inf

→ right side: phía bên phải

`3`. What is the weather like in Hai Phong?

→ What + tobe + the weather + (be) + like + (O)?

→ How + tobe + the weather? 

`4.` Minh began to collect stamps since 2016

→ V + to + V(inf)

`5.` We have become close friends for a long time

→ for a long time ⇒ vẫn còn tiếp tục đến hiện tại ⇒ HTHT

→ become - became - become

`6.` I hope we will have a good time then

→ hope (dấu hiệu nhận biết TLĐ)

`7.` Many children prefer playing video games to watching TV.

→ prefer + N/V_ing + to + N/V_ing: thcih1 cái gì hơn cái gì

3. My friend, Lan is good at speaking English. (S+good at+...: Ai đó giỏi về lĩnh vực nào).

4. We musn't drive to the right in Canada. (musn't + V: không được phép làm gì).

5. What's the weatehr like in Hai Phong? (What's the weather like in + địa điểm: thời tiết ở đó thế nào?)

6. Minh began to collect stamps in 2016. (S+began+to V: ai đó bắt đầu làm việc gì).

7. We have been become to be close friends for a long time (dịch nghĩa: chúng tôi đã trở thành bạn thân được một thời gian dài rồi).

8. I hope we'll have a good time then. (S+hope+s+v)

9. Many children prefer playing video games to watching TV (S+prefer+V-ing+to+V-ing).

$JeiKei$