動(dòng)詞不定式作狀語和結(jié)果狀語.doc

動(dòng)詞不定式作 狀語 用法 例句表示目的動(dòng)詞不定式直接做目的狀語We work hard to be admitted into a key university.in order to do sth.作目的狀語，可以位于句首，句中In order to finish his work on time,he worked like crazy=He worked like crazy in order to finish his work on time.so as to do sth.作目的狀語，不可位于句首He worked like crazy so as to finish his work on time.表示結(jié)果only to do sth.常表示出乎意料的結(jié)果 We hurried to the classroom only to find none there.enough to do;too to do;soas to do;suchas to do 結(jié)構(gòu)中，to do表示結(jié)果The girl was so kind as to help the old man off the bus.Im not such a fool as to believe that.Hes old enough to make a trip alone.Its too cold for you to word outside.表示原因動(dòng)詞不定式可以直接表示原因He was astonished to hear the terrible news.結(jié)果狀語從句結(jié)果狀語從句的從句部分用來補(bǔ)充說明主句中謂語動(dòng)作發(fā)生的結(jié)果，通常主句是原因，從句是結(jié)果，從句常位于主句后。引導(dǎo)結(jié)果狀語從句的從屬連詞主要有so that, sothat,such that等1. sothat既可以引導(dǎo)目的狀語從句，也可以引導(dǎo)結(jié)果狀語從句；而sothat只引導(dǎo)表示結(jié)果的狀語從句。 sothat引導(dǎo)目的狀語從句。 sothat引導(dǎo)的目的狀語從句，作“以便”、“為的是”解，從句中通常用may(might)或can(could)等情態(tài)動(dòng)詞。例如： WelearnEnglishsothatwemaygetmoreknowledge.我們學(xué)英語為的是獲得更多的知識(shí)。 Theygotupearlysothattheycouldcatchthefirstbus.他們?cè)缙?，以便能趕上第一班公共汽車。 sothat引導(dǎo)的結(jié)果狀語從句。 sothat引導(dǎo)的表示結(jié)果的狀語從句作“因此”、“以致”、“所以”解。Hespokeclearly,sothateverybodyunderstoodhim. 他講話講得很清楚，所以大家都聽懂了。 2. sothat和suchthat的用法比較so是副詞，用以修飾其后的形容詞或副詞;such是形容詞，用以修飾其后的名詞或名詞短語so +adj./adv.+thatso +adj.+a/an+n.+thatso+many/few/much/little+n.（可數(shù)名詞復(fù)數(shù)或不可數(shù)名詞）+thatsuch+a/an+adj.+n.+thatsuch+adj.+n.(可數(shù)名詞復(fù)數(shù)或不可數(shù)名詞)+that。3. so/suchthat句型中的“so+形容詞（副詞）”可以提至句首，以加強(qiáng)語氣，但要注意用倒裝語序。例如：Sobrightwasthemoonthattheflowerswerebrightasbyday. 在如此明亮的月光下，花兒就象白天一樣鮮艷。 4. 由so that和sothat引導(dǎo)的結(jié)果狀語從句有時(shí)可與表結(jié)果的soas to引出的不定式短語轉(zhuǎn)換He