5) The sound is too low for us hear it

The sound is so…………………………..................................................

It is such...........................................................................................................

6) This book is too difficult for me to read .

This book is so………………..................................................................

This book isn’t ...........................................................................................(enough)

This is such.................................................................................................

`5)` 

+) The sound is so low that we can't hear it.

+) It is such low sound that we can't hear it.

`6)`

+) The book is so difficult that I can't read it.

+) This book isn't easy enough for me to read.

+) This is such a difficult book that I can't read it.

`@` Cấu trúc:

- S + be/V + so + adj/adv + that + S + V + O : quá đến nỗi mà

= S + be/V + (a/an) + adj + N + that + S + V + O : quá đến nỗi mà

- S + be/V + adj/adv + enough + (for sb) + to V : đủ (cho ai) để làm gì 

5.

The sound is so low that we can't hear it.

It is such low sound that we can't hear it. 

6. 

This book is so difficult that I can't read it.

This book isn't easy enough for me to read. (easy: dễ >< difficult: khó) 

This is such a difficult book that I can't read it.

==========================================

`@` Đối với tính từ: 

= S + be + too + adj + (for O) + to V : quá đến nỗi mà ...

= S + be + so + adj + that + clause : quá đến nỗi mà ...

= S + be + such + (a/an) + adj + N (s,es) + that + clause : quá đến nỗi mà ...

= S + be + adj + enough + (for O) + to V : đủ để làm gì ...