`1`.Tom is too short to reach that picture

`->` Too ( `1 , 3` ) :

`=>` S + is / am / are / ... + too adj ( for O ) + to do sth 

`=>` Quá ... để mà làm gì

`2`.It is easy for us to answer this question

`->` It is ( not ) + adj ( for O ) + to do sth : Như thế nào để làm gì

`3`.The house was too expensive for my brother to buy

`4`.She thinks understanding this lesson is very hard

`->` thinks + V-ing + is + adj ( -ing ) : Nghĩ như nào

`5`.I had the boy polish my shoes

`->` CĐ Nhờ bảo :

`=>` S + have sb + V + O

`6`.The enquiry is going to be opened by the Prime Minister

`->` BĐ `-` TLG : S + is / am / are + going to be + VpII ( by O )

`=>` He , She , It `+` is

`7`.It is thought that the owner of the house is abroad

`->` BĐ Đặc biệt :

`=>` It + is / was / ... + VpII + that + Clause

`8`.She asked Tom " How do you like my new dress ? "

`->` Tường thuật NV ( Dạng Trực tiếp ) :

`=>` S + asked + O + " Clause "

`->` HTĐ `\leftarrow` QKĐ : S + Vs / es

`9`.Mary asked Tom to open the box for her

`->` asked sb + ( not ) to do sth : Nhờ ai làm gì

`10`.Tom told Bill not to forget to turn off the lights before he came upstairs

`->` told sb + ( not ) to do sth : Dặn ai làm gì

`->` HTĐ `->` QKĐ : S + Ved / V2

`11`.Having failed twice , Tom didn't want to try again

`->` Khi ở đầu câu mà không có chủ ngữ , ta thay thế bằng Danh động từ

`12`.Because of the rough sea , the ferry couldn't sail

`->` Because of + V-ing / N + Clause : Bởi vì

`=>` Dùng để chỉ về nguyên nhân , lý do

`\text{# TF}`