Unit 1 语法精讲课件- 高一下学期英语人教版（2019）必修第三册.pptx

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1、v-ing形式在句中作表语,语法精讲,1.用来说明主语的内容（可转换到句首作主语）.His job is keeping the lecture hall as clean as possible.=Keeping the lecture hall as clean as possible is his job.,-ing形式作表语表抽象性、经常性、一般性的动作。不定式作表语侧重具体的动作或将来的动作。His job is nursing patients in the hospital，but this weekend his task is to look after her granny

2、.,2.表示主语的某种性质、特征（常可看作形容词）。The problem is quite puzzling.The film we saw last night was very moving.,常见作表语的现在分词有：disappointing、amusing、astonishing、interesting、boring、encouraging、inspiring等，表示“令人的”。I dont think her joke is amusing at all.I am not amused at her joke at all. (过去分词表示“感到的”),1. One of his

3、bad habits is _(smoke) while having dinner.,解析：v-ing形式作表语，用来说明主语的内容。,用括号里单词的的适当形式填空。,考点追击,smoking,2. The result we are looking forward to is really _ (disappoint).,解析：现在分词作表语，常看作形容词。,disappointing,v-ing形式在句中作定语,语法精讲,drinking water a walking stick,单个-ing形式作定语位于被修饰词之前。,The man standing there is Peters

4、 father.=The man who is standing there is Peters father.,-ing短语作定语位于被修饰词之后。,位置,He may be in the reading room.They set up an operating table in a small temple.,1.说明被修饰词的性质，特征或用途。,A young man writing novels came to speak to us yesterday.Who is the man talking to our English teacher?,2.与被修饰词为主动关系且表示正在进

5、行的动作。,The experiment was an amazing success.That must have been an exciting experience.,3.有些-ing形式已转化为形容词，修饰物，表示“令人的”。,常见的有：shocking、confusing、disappointing、moving、boring等。,being done是-ing形式的被动形式，作定语时表示“正在被做”。The question being discussed was presented by the headmaster.,1. There were about 200 students _ (study) in the art school.,解析：v-ing形式与被修饰词是主动关系，作定语。,用括号里单词的的适当形式填空。,考点追击,studying,2. The tall building _ (build) now is our new school.,being built,解析：v-ing形式与被修饰词是被动关系，且动作正在进行。,THANK YOU!,