狀語從句有很多，其中時間狀語從句、條件狀語從句是最主要的。它的時態由主從句相呼應來決定，條件狀語從句表達將來的情況，但主句為一般將來時，從句為一般現在時態；時間狀語從句則主將從現，主過從過，過包括一般過去時和過去進行時兩種情況。結果狀語從句也很重要，其次是原因、目的、讓步、方式和比較狀語從句，這些從句的時態主從句一致即可。

　　熱身訓練

　　1.The children were leaving school on Tuesday _______ they saw an accident。

　　A.when B.while

　　C.because D.after

　　2.We wont go to the park __ it is fine tomorrow。

　　A.if B.when

　　C.because D.unless

　　3.Well see Uncle Wang this Sunday if it ___。

　　A.wont rain B.isnt rain

　　C.doesnt rain

　　D.didnt rain

　　4.What was the party like？

　　Wonderful.Its years ___ I enjoyed myself so much。

　　A. after B.when

　　C. before D. since

　　5.None of them knew it ______ the teacher told them。

　　A. when B. until

　　C. after D. though

　　6.I hope youll enjoy your holiday， Tom。

　　Thank you， grandma. Ill call you ______ I arrive there。

　　A.as soon as B.when

　　C.before D.until

　　7.She ______ Chinese since she came to China。

　　A.studied B.was studying

　　C.has studied

　　D.is studying

　　8.Someone knocked at the door ______ I was answering the telephone。

　　A.while B.because

　　C.but D.as soon as

　　9.You should make a plan ____ you do everything important。

　　A.when B.before

　　C.after D.if

　　10.I dont know _____ he will come tomorrow。

　　Dont worry. _______ he comes， Ill let you know。

　　A.when；If

　　B.if；Whether

　　C.if；If

　　D.whether，Whether

　　狀語從句有很多，其中時間狀語從句、條件狀語從句是最主要的。它的時態由主從句相呼應來決定，條件狀語從句表達將來的情況，但主句為一般將來時，從句為一般現在時態；時間狀語從句則主將從現，主過從過，過包括一般過去時和過去進行時兩種情況。結果狀語從句也很重要，其次是原因、目的、讓步、方式和比較狀語從句，這些從句的時態主從句一致即可。

　　熱身訓練

　　1.The children were leaving school on Tuesday _______ they saw an accident。

　　A.when B.while

　　C.because D.after

　　2.We wont go to the park __ it is fine tomorrow。

　　A.if B.when

　　C.because D.unless

　　3.Well see Uncle Wang this Sunday if it ___。

　　A.wont rain B.isnt rain

　　C.doesnt rain

　　D.didnt rain

　　4.What was the party like？

　　Wonderful.Its years ___ I enjoyed myself so much。

　　A. after B.when

　　C. before D. since

　　5.None of them knew it ______ the teacher told them。

　　A. when B. until

　　C. after D. though

　　6.I hope youll enjoy your holiday， Tom。

　　Thank you， grandma. Ill call you ______ I arrive there。

　　A.as soon as B.when

　　C.before D.until

　　7.She ______ Chinese since she came to China。

　　A.studied B.was studying

　　C.has studied

　　D.is studying

　　8.Someone knocked at the door ______ I was answering the telephone。

　　A.while B.because

　　C.but D.as soon as

　　9.You should make a plan ____ you do everything important。

　　A.when B.before

　　C.after D.if

　　10.I dont know _____ he will come tomorrow。

　　Dont worry. _______ he comes， Ill let you know。

　　A.when；If

　　B.if；Whether

　　C.if；If

　　D.whether，Whether