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九年级上册《Appendix III： The Gerund》名师优质课ppt课件
如：①They are planning to build a new bridge here.(肯定式)
②The teacher told the children not to play with fire.(否定式)
(2) wh-+不定式
不定式可以与what, who, when, where, which, how等疑问词连用。如：
① I can't decide which seat to take.(宾语)
② Can the computer tell you what to do next?(宾语)
(3) 不定式复合结构
不定式的复合结构为for sb. to do 如：
① It was the first time for the country to host the World Cup.
② Bill and his friends have tried to make computers easier for people to use.
(4) 不定式的用法
不定式可以作主语、宾语、表语、定语、状语、宾语补足语。如：
① It's exciting to read comics. (主语)
② The young man offered to carry the suitcase for Grandma.(宾语)
③My father's job is to make sick people better. (表语)
④We have got a new project to do.(定语)
⑤We fought pollution to keep our city a beautiful place.(状语)
⑥My parents want me to get good marks.(宾语补足语)
⑦The smoke from the factory made us feel sick.(省略to的不定式作宾语补足语)
动名词
动名词：动词的-ing形式在起名词作用时，称为动名词。
(1)肯定式
如：Excuse me for coming late. (肯定式)
(2) 动名词的用法
动名词在句子中可以作主语、宾语、定语、表语等。