3．在限制性定语从句中，关系代词that, which, whom充当宾语，而且前面无介词时可省略。

　　①He is the man (whom/that) I saw yesterday.

　　他就是我昨天见到的那个人。

　　②He lost the watch (that/which) he bought yesterday.

　　他丢了他昨天买的那块表。

　　4．单独使用不定式符号to代替动词不定式后被省略的动词，常用在be afraid, expect, forget, hope, intend, like, love, mean, prefer, refuse, try, want, wish等词后；或放在表示情绪的某些形容词后，代替被省略的动词，常见词有：glad, happy, pleased等，但是，如果不定式中含有be, have, have been时，则要保留be, have, have been。

　　①-Will you please look after my house when I'm away?

　　-I'm glad to (look after your house when you're away)．

　　--当我不在时，你能照看一下我家吗？

　　--我愿意。

　　②Your work hasn't been handed in, but it ought to have been.

　　你的工作还没有交上来，但是本应该交上来了。

　　[应用体验2]　用省略结构完成下列句子

　　①我们的家乡不再是以前的样子了。

　　Our hometown is no_longer_what_it_used_to_be.

　　②那就是我想要读的那本书。

　　That is the_book_I_want_to_read.

　　③--你介意照看我的猫吗？

　　--不，我愿意。

　　-Would you mind looking after my cat?

　　-No,_I'd_love_to.

　　④有些书需细细品味，有些书浅尝即可。

　　Some books are to be tasted, and others_to_be_swallowed.

　　⑤我不想去那里，但是我不得不去。

　　I didn't want to go there, but I_had_to.

　　[专题过关训练]

　　用省略结构补全句子

　　1．(2017·全国卷Ⅲ书面表达)如果这样的话，请到教学楼二楼的学生会办公室报名。

If_so,_please go to sign up at the Students' Union office, which is on the second floor of