《倍数用法总结》PPT课件.ppt

《《倍数用法总结》PPT课件.ppt》由会员分享，可在线阅读，更多相关《《倍数用法总结》PPT课件.ppt（9页珍藏版）》请在三一办公上搜索。

1、Welcome,倍数表达法,（1）倍数+as+原级+as+被比对象Examples This tree is three times as tall as that one.这棵树是那棵树的三倍高。His father is twice as old as he.他父亲的年纪有他两倍大。,（2）倍数+比较级+than+被比对象,ExamplesThe Yangtze River is almost twice longer than the Pearl River.长江差不多比珠江长两倍。The dictionary is exactly five times more expensive t

2、han that one.这本字典比那本恰好贵5倍。,（3）倍数+the+表数量大小的名词+of+被比对象或that/those of,ExamplesThe newly broadened square is four times the size of the previous one.新扩建的广场是未扩建时的四倍大。The rooms in this hotel are six times those of the small inn.这间酒店的房间是小客栈的六倍多。,副词的位置,We_our breakfast when an old man came to the door.A.ju

3、st have had B.have just had C.just had had D.had just had 频率副词 always,often,frequently,seldom,never,ever,usually,rarely,occasionally,no sooner,hardly,scarcely 等以及 just,shortly 等其他副词必须放在助动词、情态动词或 be 动词与实义动词之间。在省略结构中，这些副词必须放在助动词，情态动词或 be 动词之间。,程度副词的位置,How I wish John recognized the fact that he _in th

4、e wrong.A.is always nearly B.always is nearly C.is nearly always D.nearly is always 程度副词的位置通常放在所修饰的词前面,如 very,much,almost,hardly,nearly，awfully,fairly,rather 等。但enough 必须放在所修饰词的后面。,频率副词的位置,San Francisco is usually cool in summer,but Los Angeles_.A.is rarely B.hardly is C.rarely is D.is scarcely 频率副词

5、如 always,usually,never,ever,just,shortly,seldom,hardly,scarcely,no sooner,rarely,occasionally 常放在助动词、情态动词、或 be 动词后 或实义动词之前，但在省略结构中，必须置于助动词，情 态动词或 be 动词之前。,评注性副词的位置,Not_,the process of choosing names varies widely from culture to culture.A.obviously B.particularly C.surprisingly D.normally 对全句进行修饰的评注性副词如 actually,fortunately,surely,certainly,briefly 通常放在句首，并用逗号隔开。,Thank You!,