2010年中考英語語法專題講座：狀語從句

　　一、引導(dǎo)詞的選擇：

　　1.時間狀語從句

　　1).由when 、 while、as(當(dāng)……時候)引導(dǎo)的時間狀語從句。

　　When jack got home , his mother was cooking .

　　2).由after/ before (在….之后/ 前)引導(dǎo)的時間狀語從句。

　　The football match played after school was over .

　　3).由as soon as (一…..就……)引導(dǎo)的時間狀語從句。

　　I‘ll ring you as soon as I reach Beijing .

　　4).由not….until(直到…..才…..)引導(dǎo)的時間狀語從句。

　　They didn‘t stop until they finished the work .

　　2.原因狀語從句

　　由because 、since 、as(因為、既然、由于)引導(dǎo)的原因狀語從句。

　　Since you have known about that , please tell us what to do .

　　3.地點狀語從句

　　由wherever(無論在哪兒) 引導(dǎo)的地點狀語從句。

　　Wherever he goes , he always brings his pet dog .

　　4.目的狀語從句

　　由so that (以便、為的是)引導(dǎo)目的狀語從句。

　　He got up very early so that he could catch the early bus .

　　5.條件狀語從句

　　由if或unless 引導(dǎo)條件狀語從句。

　　I won‘t go to his party unless I am invited .

　　6.比較狀語從句

　　由than、 as…as、not as……as 引導(dǎo)比較狀語從句。

　　There are more students in our class than in theirs .

　　7.讓步狀語從句

　　由though 、even though/ if 、although引導(dǎo)讓步狀語從句。

　　Although he didn‘t pass the exam ,his father didn‘t get angry with him .

　　8.方式狀語從句

　　由as if (好像)引導(dǎo)方式狀語從句。

　　He talked about that as if he knew everything .

　　9.結(jié)果狀語從句

　　由so…that…、such….that…(如此…..以致于…)引導(dǎo)結(jié)果狀語從句。

　　It was raining so hard that we couldn‘t see the road .

　　二、狀語從句與主句的時態(tài)問題

　　1.時間狀語從句、條件狀語從句與主句的時態(tài)不一致。(主句用將來時，而時間、條件狀語從句用一般現(xiàn)在時)

　　If it ________(not rain) tomorrow ,we______(go) to climb the hill .

　　He ________ (become) a sodier when he ______(grow) up .

　　2.since引導(dǎo)的時間狀語從句。 It is + 時間+ since + 一般過去時

　　It_____(be) ten years since we ________(leave) that city .

　　3.由when、while引導(dǎo)的時間狀語從句的時態(tài)：

　　主句(過去進行時)+when +從句(一般過去時)

　　主句(一般過去時)+when +從句(過去進行時)

　　主句(一般過去時)+while +從句(過去進行時)

　　主句(過去進行時)+while +從句(過去進行時)

　　注意：看動詞為短暫性動詞用一般過去時，動詞為延續(xù)性動詞則用過去進行時。

　　Mother _______(cook)supper when I ______(get)home yesterday.

　　Last Sunday I_______(meet)Lin Hong when I _______(walk)in the street .

　　While Han Meimei _______(sweep)the floor , Lucy _______(carry) water.

　　When the students ________(have)a meeting, the teacher _______(come) in .

　　4.由when、after、before、by the time引導(dǎo)的時間狀語從句的時態(tài)：

　　主、從句的謂語動作都以完成，則先發(fā)生的動作用過去完成時，后發(fā)生的動作用一般過去時。

　　When they _______(get) to the cinema last light , the film ________(start) .

　　I _________(go) out with my friends after I _______(finish) all the homework last night .