`3`  -> This room is so dark that I can't study 

- S + is + so + adj + that + S + can't / couldn't + V + O : quá đến nỗi mà ai ko thể làm gì

-> It is too dark for me to study  

- It is too + adj + for + O + to - V : quá đến nỗi mà  

`4` ->  These rooms aren't big enough for us to take the meeting 

 - S + is/ are / am + not + adj + enough + for + O + to - V : ko đủ để làm gì 

-> These rooms are so small that we can't  take the meeting   

- S + is/ are / am  + so + adj + that + S + can't / couldn't + V + O : quá đến nỗi mà ai ko thể làm gì  

-> They are such small rooms that we can't take the meeting 

- S + is / are / am + such + (a/an) + N  + that + S + can't + V + O : quá đến nỗi mà ai ko thể làm gì 

# Ríttttt (ㆁωㆁ)

=>

3. This room is so dark that I can't study.

It is such a dark room that I can't study.

4. These rooms aren't big enough for us to take the meeting.

These rooms are so small that we can't take the meeting.

They are such small rooms that we can't take the meeting.

So adj that ~ such a/an adj N that : quá...đến nỗi

Adj enough (for sb) to V : đủ...để