ملخص الدرس / الأولى ثانوي/اللغة الإنجليزية/Grammar/Expressing Purpose

We use to/ so as to and in order to  to express purpose .

Example:

A:why did you send her a message ?

B: I sent her in order to /to / so as to  congratulate her.

The negative are:not to /in order not to,and so as not to .

Example:

I sent her a message not to invite her,but to congratulate her.

So as not to be late for the party ,you have to start now .

you have to start now in order not to be late for the party.