1. Adj+ toV……..
- Cấu trúc1: It + tobe + adj + toV…..
Được dùng để nhấn mạnh thông tin bằng cách đem nó ra phía trước mệnh đề. VD:
This question / is easy to answer. (luôn tách câu tước tobe) -> It is easy to answer this question.
- Cấu trúc 2: It + tobe + adj +for/of +N/O + to V..
(Khi dùng for là khác S, khi dùng of là đồng S)
* Trong đó
+ Các adj mà sau nó sử dụng “forN/O” là :dificult, easy ,hard,impossible,dangerous, safe,expensive,cheap, nice, good,interesting,useful,exciting,necessary….
VD1.
This question is difficult .I can’t answer it. (Khác S ) -> This question is difficult for me to answer (It is a difficult question for) VD2.
You have to wear glasses.
-> It is necessary for you to wear glasses.
+ Các adj mà sau nó sd “of O/N’’ là kind , nice , mean , careless, clever, silly,unfair, sensible,stupid,considerate, smart, brave, professionable,..
VD.
You never nice .You had took me to the station. ( Đồng S) ->It was nice of you to take me to the station.
->You were nice to take………
- Cấu trúc 3:
S + tobe + adj + to V…. (chỉ dùng với đồng chủ ngữ) - Được dùng để diễn tả cảm xúc , sự tự tin hoặc lo lắng….
- Nhóm các adj này là :happy, glad, pleased, relieved (thanh thản) sorry, certain, sure, confident, convinced(tin chắc), afraid, annoyed, astonished =surprised, aware, conscious
VD:
I met my old friend yesterday.I’m very glad about this (đồng S) ->I’m very glad to meet my old friend yesterday.
2. Adjs + that-clause.
- Được dùng để diễn đạt cảm xúc (glad, pleased, relieved, sorry….), tự tin hoặc lo lắng(certain ,sure, confident ,convinced, afraid,annoyed,astonished,
surprised,aware,conscious…) cuả ai về vấn đề gì. VD1
You gained the scholarship.I was glad (khác S) ->I was glad that you gained the scholarship.
VD2.
You were nice.You had helped me with my heavy suit case. ->You were nice to help….
->It was nice of you to help….
->You were nice that you had helped……