1）主语从句
It i common knowledge that honety i the bet policy.
It i well-known that…
It i elf-evident/ conceivable / obviou / apparent that…
It goe without aying that… It i univerally acknowledged that…
It i / that
2）宾（表）语从句
We cannot undertand why he wa o cruel to hi roommate.
The problem i not who will go, but who will tay.
3）定语从句（限定性和非限定性）
A i hown/ demontrated/ illutrated/ depicted/ decribed…in the cartoon/ picture/ graph/ table…,
There are many reaon why I want to tudy in your univerity.
It i etimated that ten of billion of pound pent on cigarette every year in our country, which i a huge wate.
4）状语从句（时间，原因，地点，条件，让步，转折等）
When the man i enjoying the cigarette, the moke become a monter （怪物） which will devour him.
Whatever the reaon, there are till ome problem with tudent ue of computer.
5）分词短语做定语或状语
Prof. Kang came to our univerity, giving u a lecture on how to acquire Englih better.
6）倒装句
Only through thee meaure can we hope to olve the problem.
Scattered around the globe are more than 100 mall region of iolated volcanic activity known to geologit a hot pot.WWw.hAOzuowEn.com
7）被动句
Some meaure hould be taken to deal with the problem.
He i aid to have accomplihed a lot of great deed.
Many people believe that…（It i believed that…）
8）设问句
Do you till remember the boy who cried wolf for everal time o no one would trut him?