1 .He gets up early , so that he can review his lessons . 

2 . They left home early so that they could arrive at the station in time.

3 . Robert borrowed me some money so that he could buy a book.

4 . Mr. Brown walks slowly so that his children can follow him.

5 . The boy stood on the benches so that he could get a better view.

6 . We turn down the volume of the radio so that we don’t bother our neighbours.

7 . I write to you so that you can know my decision soon.

8 . These men were talking in whispers so that no one would hear their conversation.

9 . The boy feigned to be sick so that we wouldn’t make him work.

10 . The man spoke loudly so that everybody could hear him clearly.

11 . He wore glasses and a false beard so that nobody would recognize him.

12 . I get up early so that I can do morning exercises.

* Mệnh đề chỉ mục đích là mệnh đề bắt đầu bằng so that / in order that ( để mà )

Ex : I learn English so that I can speak English well .

form : S + V + O + so that S + can/could + Vnm + O . 

          ( Ai đó làm gì đó để mà ... )

* Cụm từ chỉ mục đích : là cụm từ bắt đầu bằng in order to / so as to 

form : KĐ : in order to + Vnm

                   = so as to + Vnm

            PĐ : in order not toV

                    = so as not toV

Ex : - In order to get better job , I try my best to study well .

       - In order not to miss the bus , I get up earrly .