呢d 字係作文時點用?

1. so as to
e.g. It is recommended to play the game twice and compare the results so as to improve their observing skills .
It is better to arrange each group to finish their project so as to share their findings in the presentation session because there are too many groups .
2. so that
He rose / got up early so that he might be in time for the first lesson .
I was so happy that I smiled at everyone I met .
Catching butterflies was not easy, so that I was proud of my collection .
Most go to work in another place, so that the suburban home is only a part of their environment .
3. so as to
e.g. It is my opinion that solutions need to be found to all theses problems so as to ensure continued growth this year .
He wore a heavy coat so as not to catch cold .

You should do the housework so that our house will be tidy.
You can do the dishes, so you won't sit there like a fool.

You must not run so as to keep away from falling.
You must study so as to pass your exams.