1. She is such a young girl that she can't go to school alone.
 She is so young that she can't go to school alone.
 She is not old enough to go to school alone. 
2. Tom was such an old man that he couldn't walk without help.
 Tom was too old to walk without help.
 Tom was not able to walk without help.
Or: Tom was not young enough to walk without help.
``
so + adj + that + clause
= such + (a/an) + adj + N: quá...đến nỗi mà...

= too + adj + to-V

Công thức: too...to.. (quá ... đến nỗi không)

S + be + too + ADJ + (for O) + to V 

Công thức enough....to... (đủ..để làm gì)

S + be + ADJ + enough + (for O) + to V 

S + V + ADV + enough + (for O) + to V 

S + be/V + enough + N + (for O) + to V 

Công thức: so...that.. (quá ... đến nỗi )

S + be + so + ADj + that + clause

Công thức: such...that.. (quá ... đến nỗi )

S + be + such + (a/an) + ADj + N + that + clause

------------------------------------------------------------

1.

- She is such a young girl that she can't go to school alone.

- She is so young that she can't go to school alone.

- She is not old enough to go to school alone.

2.

- Tom was such an old boy that he couldn't walk without help.

- Tom was too old to walk without help.

- Tom was not young enough to walk without help.

`color{orange}{~LeAiFuRuiHuiBao~}`