`41` .The girl who lived next door to us was very friendly

`=>` mệnh đề quan hệ who dùng để làm chủ ngữ đại diện cho ngôi người 

`=>` cấu trúc quá khứ đơn:

`-` với tobe :`(+)` S+was/were+O

`-` với động từ thường :`(+)` S+did+V-inf

`42` .Mr.Brown asked me what my name was 

`=>` cấu trúc câu trần thuật dạng wh-question :

`-` S+asked/wanted to know/wondered+O+if/wether/wh-q+S+V(lùi thì)

`=>` lùi thì : is `->` was

`43` .It is very necessary to learn english 

`=>` it+tobe+Adj+to V: làm điều gì đó thì như thế nào

`44` .In spite of his broken leg, he managed to get out of the car

`=>` in spite of + N/N phrase/V-ing , S + V

`=>` cấu trúc QKĐ : `(+)` S+V2/-ed

`45` .Unless someone puts the coal in,the fire will go out 

`=>` unless = if...not

`=>` Unless+S+V(HTĐ)+S+will/can/shall+V-inf

41. The girl who lived next door to us is very friendly.

N (người) + who + V 

42. Mr. Brown asked me what my name was.

S + asked + O + wh + S +V (lùi thì)

HTĐ --> QKĐ

43. It is very necessary to learn English.

Ving + be + ADJ

= It is + ADJ + to V 

44. In spite of his broken leg, he managed to get out of the car.

In spite of + N / Np / Ving, clause: mặc dù 

45. Unless someone puts the coal in, the fire will go out.

Unless (trừ khi) = If .... not 

if 1: If + HTĐ, S + will/can/shall .. + V1 

`color{orange}{~LeAiFuRuiHuiBao~}`