1.主語從句

　　Why he would reject such a good offer remained unknown all these years.

　　Whether we can succeed or not depends upon our efforts.

　　What you have done for us will be in our memory forever.

　　It is common knowledge that honesty is the best policy.

　　It is well-known that…

　　It is self-evident that…

　　It goes without saying that…

　　It is universally acknowledged that…

　　2.賓語從句

　　They believe that the central government’s decision to develop the western part of the country and the success of Beijing’s bid to host the 2008 Olympics will open up further opportunities for the country’s development.

　　We cannot understand why he was so cruel to his roommates.

　　Experience from foreign countries suggests that no aircraft manufacturers can survive depending only on their domestic market.

　　3.表語從句

　　This is where she lived when she was young.

　　Quality is what counts most.

　　The problem is not who will go, but who will stay.

　　What we want to know is whether the government may take measures to tackle this problem. The question is which one you may choose.

　　4.定語從句(限定性和非限定性)

　　As is shown/demonstrated/illustrated/depicted/described…in the cartoon/ picture/ graph/ table…,

　　There are many reasons why I want to study in your university. It is estimated that tens of billions of yuan is spent on cigarettes every year in our country, which is a huge waste.

　　The food supply will not increase nearly enough to match this, which means that we are heading into a crisis in the matter of producing and marketing food.

　　5.狀語從句(時間，原因，地點，條件，讓步，轉(zhuǎn)折等)

　　When the man is enjoying the cigarette, the smoke becomes a monster (怪物) which will devour him.

　　Whatever the reason, there are still some problems with student use of computers. Although we focus on the needs of exceptional children, we find ourselves describing their environment as well.

　　6.分詞短語做定語或狀語

　　Prof. Kang came to our university, giving us a lecture on how to acquire English better. Coupled with the growing quantity of information is the development of technologies which enable the storage and delivery of more information with greater speed to more locations than has ever been possible before.

　　7.強調(diào)句

　　It was him who gave us much hope for the future.

　　8.倒裝句

　　Only through these measures can we hope to solve the problem.

　　Scattered around the globe are more than 100 small regions of isolated volcanic activity known to geologists as hot spots.

　　9.省略句

　　If so, we have to give it up.

　　If necessary…

　　Whatever the reason…

　　10.What句型

　　We totally agree with what you have just said.

　　11.設(shè)問句

　　Do you still remember the boy who cried wolf for several times so no one would trust him?

　　12.被動句

　　Some measures should be taken to deal with the problem.

　　He is said to have accomplished a lot of great deeds.

　　Many people believe that…(It is believed that…) The government and the public should pay enough attention to…(Enough attention should be paid to…from both the government and the public.)

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