英语四级写作句型

1.mayaswellnot…as结构，此结构可译为与其……不如不……

Onemayaswellnotknowathingatallasknowitbutimperfectly.

2.haveonlyto…do结构，此结构表示只须(消)……就能……的意思

WehaveonlytoturntothatextraordinarydiscoverymadebyEdisontoseethesignificanceofit.

3.asitwere是一个非常常用的插入语，意思是好象，可以说等。

Apieceofironnearamagnet,thoughapparentlyseparatefromit,feels,asitwere,thethreadsofthisattachment.

4.复杂结构，在下面例句中，由于anyone的定语从句过长，把谓语mustrealize提到定语从句之前。

Plainlyenoughthatistoolargeanorder,asanyonemustrealizewhoreflectsuponthemannerinwhichtheyreachpublicoffice.

5.not…anymorethan…为：不能……，正如不能……。

Onecannotlearntosketchandexpresshimselfgraphicallyonlybyreadingaboutitanymorethanonecanlearntoswimwhilestandingbythepool.

6.Bythatasitmay是Letitbethatasitmay的省略形式，是由be引起的另外一种假设结构，意思是虽然如此，尽管这样。

Itissaidthatthenervepoisonisthemoreprimitiveofthetwo,thatthebloodpoisonis,sotospeak,anewproductfromanimprovedformula.Bethatasitmay,thenervepoisondoesitsbusinesswithmanfarmorequicklythanthebloodpoison.

7.ifatall是一个由if引起的主谓结构不完整的短句结为即使……等。

Icanseeonlywithgreatdifficulty,ifatall.

8.由there引起的句型容易产生复杂的句子结构。

Therehavebeenopeneduptothevastandexcellentscience,inwhichmyworkisthebeginning,waysandmeansbywhichothermindsmoreaccuratethanwinewillexploreitsremotecorners.

9.某些分隔结构

1)动词短语相关部分被分隔(当makeuseof，takenoticeof，payattentionto，等动词短语变成被动语态时)。

Useismadeofsolarenergyinheatinghouses.

2)双重定语引起的分隔

Butthereisofcultureanotherview,inwhichnotsolelythescientificpassion,thesheerdesiretoseethingsastheyare,naturalandproperinanintelligentbeing,appearsasthegroundofit.

10.tobedoing…when…是一个句型，多译为某人正在做……时，突然……。在简单的句子中容易看出，一旦句子变得复杂一些，可能就不太容易识别这种句型。

Shesaidsheandafriendhadgoneouttodinnerthatnight,andwerewalkinghometogetheratabout10o'clock,whenaverybig,verytallman,accostedthemanddemandedtheirpurses.