1. The journey is so long that the little boy can't stand.

2. It was hot so I turned on the air conditioner.

3. My grandfather is so old that he can't work very hard.

4. I was very tired so I fell asleep in the armchair.

Cấu trúc so...that: S+be/V+so+adj/adv+that-clause

                        = S+be/V+too+adj/adv+to+V

                        = S+be+(not)+enough+(for sb)+to V

                        = S+V+such+a/an+adj+N+that-clause

1.The journey is so long that the little boy can't stand

công thức: câu đi với so thì sẽ có vế sau là: that+S+V+O

2.It was so hot that I have to turn on the air conditioner

công thức: câu đi với so thì sẽ có vế sau là: that+S+V+O

3.My grandfather is so old that he can not work hard

công thức: câu đi với so thì sẽ có vế sau là: that + S+ V+ O

4.I was so tired that I fell asleep in the armchair

công thức: câu đi với so thì sẽ có vế sau là: that + S+ V+ O