副詞子句裡主詞動詞的省略

＊副詞子句裡主詞、動詞的省略：

從屬連接詞when,while,as(=when),if,unless,though/although,as if/as though等引領的副詞子句裡的主詞和主要子句裡的主詞相同時，副詞子句裡的主詞和be動詞可以一併省略。than和as（表示比較）子句裡的主詞與動詞（不限於be動詞）和主要子句裡的主詞與動詞相同時，than和as後的主詞與動詞通常都是省略的，如果主詞不同而動詞相同，則只省略動詞：

1.      When (she was)young,she loved music.

2.      While(he was)driving to work, he had an accident.

3.      He used to tell a lot of lies as (he was)a little boy.

4.      They can be useful if (they are) properly arranged.

5.      The child seldom cries unless (he is)hungry.

6.      Though (he is)married,he is still charming.

7.      She left in a sudden as if (she was)angry.

8.      My sister is much better now than (she was) last night.

9.      I like her more than (I like)her sister.

10.  You hate me as much as (you hate) Bill.

11.  He is as tall as my brother (is).

12.  You love Mary as much as I (love Mary).

13.  John had his leg broken (while he was) playing football.有時甚至連接詞也省略，就是分詞構句的句型。

＊    副詞子句裡的it is,that is,there is之省略：

if,whenever,as引領的副詞子句裡的it is,that is,there is通常是省略的：

1.If (it is )possible,arrive at five o’clock.

2.Whenever (it is )possible,he comes home by six.

3.Come as quickly as(it is) possible.

4.If (that is)so,I will call you tomorrow.

5.We wondered what answer,if (there was) any,he would give us.