$\text{1. I wish I knew many people in the village }$

- Cấu trúc câu ước ở Hiện tại: S + wish(es) + (that) + S + V-ed

$\text{2. The wather was bad, so we postponed the picnic }$ 

- "so": cho nên, vì vậy, dùng để chỉ kết quả, hệ quả,

- Phía trước "so" luôn có dấu phẩy ngăn cách 2 mệnh đề

$\text{3. Many flowers and trees were planted in the garden  }$

- Cấu trúc câu bị động quá khứ đơn: S+ was/were+ Vpp/ed+(by+O)

$\text{4. Mai asked me if/whether my father was living in London then.}$

+ now => then

+ Hiện tại tiếp diễn => Quá khứ tiếp diễn

- Cấu trúc câu gián tiếp với Yes- No question: S+ asked+O+if/whether+ S+V(lùi thì)

1`to`I wish I knew people in the village. 

`to`Form :S+wish(es)+S+V(lùi thì )..........

2 `to`The weather was bad, so we  postponed the picnic.

`to`Form : S+V...,+so+S+V...

3 `to`Many flowers and trees were planted in the garden.

`to`Form : S+was/were+V3/ed+ (by+O)+......

4 `to`Mai asked me if my father was living in London then.

`to`Form : S+asked+O+if/whether+S+V(lùi thì)......