`33.` $\text{Mike visited his grandfather last month.}$

`-` Dấu hiệu nhận biết: last month

`→` Câu chia thì quá khứ đơn

`-` Cấu trúc thì quá khứ đơn: S + V_ed + O...

`34.` $\text{Don't drink water from the well.}$

`-` Cấu trúc: V...

                   Don't + V...

`35.` $\text{I didn't play badminton last Sunday because I was ill.}$

`-` Dấu hiệu nhận biết: last Sunday

`→` Câu chia ở thì quá khứ đơn.

`-` Cấu trúc thì quá khứ đơn: S + V_ed + O...

`36.` $\text{My mother turned on the radio because she wanted to listen to some music.}$

or: $\text{Because my mother wanted to listen to some music, she turned on the radio.}$

`-` Cấu trúc: S + V + because + S + V...

                    Because + S + V, S + V...

`37.` $\text{His favourite sport is football.}$

`-` one's favourite: cái gì đó mà ai đó thích nhất

`38.` $\text{New York is much more modern than London.}$

`-` Cấu trúc câu so sánh hơn: 

           `S`1 + be + adj (ngắn)-er/ more adj (dài) + than + `S`2...

`39.` $\text{What did they do last night?}$

`-` Dấu hiệu nhận biết: last night

`→` Câu chia thì quá khứ đơn: (câu nghi vấn)

              (Wh) Did + S + V...?

`40.` $\text{How often does your mother go shopping?}$

`-` Cấu trúc câu hỏi dùng để hỏi tần suất:

           How often + do/ does + S + V...?

$\text{@Bulletproof}$

33. Mike visited his grandfather last month.

34. Dont drink water from well!

35. I didn't play badminton last Sunday because I was ill.

36. My mother turned on the radio because she wanted to listen some music.

37. His most favourite sport is football.

38. New York is more modern than London.

39. What did they do last night?

40. How often does your mother go shopping?