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示的动作“忘记”之前）

5. stop， go on和leave off之后跟接动词不定式和-ING分词所表达的意义有所不同

They stopped （talking） to work. ［停下（其他动作）来工作］

They stopped working. ［停下工作（来干其他动作）］

Workers went on discussing the problem. ［工人继续讨论这一问题］

Workers went on to discuss the problem.［工人们停下来其他事，继续讨论这一问题］

He left off writing.［他停下写作（去干其他事）］

He left off to write.［他停下（其他事）来写作］

6. … used to后跟不定式和-ING分词，后跟不定式有两种情况：一种是used to是固定用法表示“过去经常干……”；另外一种情况是use的被动词态“be used”后跟不定式；后跟-ING分词的情况有一种，那就是当used to中的used是形容词时，to后跟名词或-ING分词

7） When he was in the plastic plant， he together with the workers.

［A］ has worked ［B］ had worked ［C］ had been worked ［D］ used to work

8） You will soon this climate and then the changes in temperature will not affect you.

［A］ get used to［B］ get to［C］ get over［D］ get on with

9） Mr. Anderson used to jogging ［A］ in the crisp morning ［B］ air during ［C］ the winter months ［D］ ， but now he has stopped.

7. 一般情况下，for后边跟接there to be，而of后边则跟接there being

10） It is fairly common in Africa for there an ensemble of expert musicians surrounded by others who join in by clapping， singing， or somehow adding to the totality of musical sound.

［A］ to be ［B］ being ［C］ to have been ［D］ having been

8. be＋形容词后面要跟动词不定式作状语，而不用-ING

It is very difficult to manage the company.

二、-ING分词与-ED分词的区别

虽然在语法功能上，-ED分词在句子中所能承担的成分基本与-ING分词相同，但在意义上两者有差别：-ING分词表示主动的意义，而-ED分词则表示被动的意义；-ING分词表示一般性的或正在进行的动作，而-ED分词则表示已经完成和被动的动作。在表现形式上，-ING分词有“一般式”和“完成式”与“主动式”和“被动式”之分；而-ED分词只有一种形式。下边我们分析-ING分词与-ED分词在语法功用上的区别。

1. 作表语时，-ING分词表示主语所具有的特征而-ED分词表示主语所处的状态

The book is quite interesting.I am insteredted in the book very much.

The play is more exciting than any I have

ever seen.That piece of land lay deserted.