$\text{46.}$ My friend said me that he had seen my brother in the park the day before.

→ S + said  +(that) + S + V(lùi 1 thì) + O 

$\text{47.}$I was given a present on my last birthday by Mary.

→ Bị động thì QKĐ : S + was/were + Vpp + ( by O )  

$\text{48.}$This film isn't as/so well as the one I saw last week.

→ S + be/Aux + not + as/so + adj/adv + as + N/pronoun 

$\text{49.}$ It took him two days to decorate the living room.

→ spend time doing sth = take sb time to do sth : dành thời gian làm j 

$\text{50.}$ The more you run, the healthier you'll become.

→ So sánh kép ở tính từ ngắn  : The more + (adj) +  S+ V , the + short-adj thêm er + S + V 

$#Keisha$

46. My friend said me that he had seen my brother in the park the day before.

* Cấu trúc:

S + said/told + (that) + S (đổi đại từ, tính từ sở hữu) + V (lùi thì)

47. I was given a present on my last birthday by Mary.

* Cấu trúc câu bị động:

- Quá khứ đơn: S + V(ed/2) + O

-> S + was/were + V3/ed + by O

48. This film isn't as good as the one I saw last week.

* Cấu trúc so sánh ngang bằng

- S1 + V1 + as + adj/ adv + as + (S2 + V2)/ Noun/ O/ Pronoun

49. It took him two days to decorate the living room.

* Cấu trúc:

It takes/took (sb) + time + to do something = S + spend + time + V-ing.

50. The more you run, the healthier you'll become.

* Cấu trúc so sánh kép:

- Tính từ dài: The more + S1 + V1, the more + adj + S2 + V2.

- Tính từ ngắn: The more + S1 + V1, the + adj_er + S2 + V2