不定式 一般式 to do to be done 完成式 to have done to have been done 进行式 to be doing － 动词­ing形式 一般式 doing being done 完成式 having done having been done 动词­ed形式 一般式 － done 　　集中演练1

　　单句语法填空

　　①Being_brought (bring) up in the countryside made Mr. Wilson very hardworking when he was very young.

　　②To_complete (complete) all the homework assigned by the school, the students have to work at it till midnight.

　　③_Involved (involve) in the bank robbery, Tod was arrested by the local police early in the morning.

　　④Mr. Johnson, having_worked (work) as a manager for many years, found it hard to be an ordinary clerk again.

　　⑤The meeting which is reported to_be_held (hold) this month has been put off till the end of next month.

　　⑥More children in Beijing will reach school age next year, creating (create) a shortage of primary school teachers in the capital.

语法点二 非谓语动词的句法功能

　　1. 不定式和动词­ing 形式作主语、宾语以及表语的区别

　　(1)不定式作主语、宾语以及表语时通常表示具体的、特指一次性或将要发生的动作。

　　(2)动词­ing 形式作主语、宾语以及表语时通常表示抽象的、泛指经常的动作或一般情况。

　　Swimming is a very good sport in summer.

　　在夏天游泳是一项很好的运动。(动词­ing 形式 swimming 在句中作主语，表示泛指一般情况)

　　They managed to escape from the burning building.

　　他们设法逃离了那座着火的大楼。(不定式短语 to escape from the burning building 在句中作宾语，表示一次性的动作)

　　[巧学助记]

(1)通常只能接不定式作宾语的动词(短语)：