文档介绍：:它具有动词的特点,但在:它具有动词的特点,但在句子中起着名词、形容词、副词的作句子中起着名词、形容词、副词的作用,充当主语、表语、定语、宾语、用,充当主语、表语、定语、宾语、宾语补足语、状语的作用,即:除谓宾语补足语、状语的作用,即:除谓语以外一切成分。语以外一切成分。、形容词、副词。充当不定式相当于名词、形容词、副词。充当主语、宾语、定语、表语、宾语补足语、主语、宾语、定语、表语、宾语补足语、状语。状语。动名词相当于名词充当主语、表语、定语、动名词相当于名词充当主语、表语、定语、宾语。宾语。分词相当于形容词、副词。作表语、定语、分词相当于形容词、副词。作表语、定语、宾语补足语、状语形成分宾语补足语、::必须搞清逻辑主语与非谓语动词的关系,从而来确定非谓语动词态的语态。系,从而来确定非谓语动词态的语态。逻辑主语能发出该动作逻辑主语能发出该动作(发)(发)逻辑主语不能发出该动作逻辑主语不能发出该动作(收)(收)不发不收用结构:不发不收用结构:动词不定式:用结构。动词不定式:用结构。动名词:用结构。动名词:用结构。分词:用独立主格结构分词:::Warm up exercisesWarm up exercises::1) change the following into the infinitive1) change the following into the infinitive1. ______( die ) for people is a glorious . ______( die ) for people is a glorious . ______( talk ) with him is a great . ______( talk ) with him is a great . ______( help ) others is our . ______( help ) others is our . ______( see ) is to . ______( see ) is to . ______( seat ) at the back of the classroom5. ______( seat ) at the back of the classroom made the students surprised. made the students surprised. 2) change the sentences above into the ones2) change the sentences above into the ones using using ““itit”” as informal. as )A: 3)A: 如果要说明不定式表示的动作是谁做如果要说明不定式表示的动作是谁做的,可以在不定式前加一个由的,可以在不定式前加一个由for for 引起的短引起的短语。语。It is easy for the students to is easy for the students to will be a mistake for us to help will be a mistake for us to help you. B: B: 下列形容词作表语时,不定式前常加一个下列形容词作表语时,不定式前常加一个of of 引起的短语,来说明不定式指引起的短语,来说明不定式指的是谁的情况,这些形容词是:的是谁的情况,这些形容词是:kind, good, nice, wise, unwise, clever, silly, kind, good, nice, wise, unwise, clever, silly, wrong, right, foolish, stupid, careless, wrong, right, foolish, stupid, careless, rude, polite, naughty , polite, naughty ’’s kind of you to think so much of kind of you to think so much of ’’s unwise of him to leave h