引导目的状语从句的连词有so that...,in order that/that+情态动词----引导目的状语从句
I work earnestly in order that my students can get great achievements.
I assume vital responsibilities so that i can enjoy great
目的状语从句的简化结构1.--in order for sb to do sth
i work hard in order for my students to have great performance.
目的状语从句简化结构2.in order to do==so as to do
so as to do 不放在句首
其它引导目的状语从句的连词或结构--表示以免：lest, for fear that, in case...
take an umbrella with you lest it should rain.
Make full preparation for fear that you can be caught off guard.
附加目的状语从句引导结构：in the hope that, for the purpose that, on purpose that,to the end that
I make every effort in the hope that my daughter can be an influential person in the future.
I refine every composition to the end that my students can improve their writing dramatically.
so...that...,such...that, such that....----引导结果状语从句
He worked so hard that he succeeded finally.
He is such an industrious student that he is awarded often.
He is such that he cannot help bursting into tears.
so fast does light travel that it is difficult for us to imagine its speed.
so terrible was the storm that the roofs were all ripped off.
结果状语从句的简化结构：so....as to do, such...as to do, such as to do....
He is so selfish as to understand himself only.
So selfish is he as to understand himself only.
He is such a proactive person as to solve everything optimistically.
He is such as to believe everyone.
引导结果状语从句的其它结构：to the degree (that), to the extent (that), to such a degree (that), to such an extent (that)
to such an extent did his health deteriorate that he was forced to retire.
To the degree is he old that he is not able to remember many things.
He is respectful to the extent that he is respectable=to such a degree is he respectful that he is respectable.
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