非谓语动词讲解.4.ppt

动词不定式 构成：to +动词原形（一般式） to +be doing (进行式） to +be done （被动式） I want to help you . He pretended to be sleeping when his mother came back . The bike needs to be mended. 动词不定式的用法 1做主语 To help others makes me happy =It makes me happy to help others 动词不定式作主语当单数 To study maths is interesting =it is interesting to study maths 2作宾语 He wants to be a teacher in the future . I decided to work hard They plan to take a trip to their hometown. 3作宾补 He wants me to help him We wish us to go to a better senior high school 注意：使让动词make,let 感官动词see,hear,notice ,watch 后的不定式省略to ,用动词原形。即make sb do sth ,let sb do sth ,see sb do sth ,hear sb do sth ,watch sb do sth ,notice sb do sth 4作表语 My wish is to be a writer. His job is to take care of animals 5作定语 I have a lot of homework to do They want something to eat 6作目的状语 I came here to visit my uncle . =I came here in order to visit my uncle. =I came here so that I visited my uncle. He got up early to catch the early bus . = He got up early in order to catch the early bus. = He got up early so that he could catch the early bus . 7作结果状语 The book is too interesting for me to read it second He ran too fast to catch a bus She is not old enough to dress herself . 现在分词 构成：动词+ing 用法 1构成现在进行时，过去进行时，现在完成进行时 2作定语 a developing country ,a flying kite a falling leaf running water 3作宾补 Find sb doing sth see sb doing sth Notice sb doing sth hear sb doing sth 4作伴随状语 The boys came into the classroom ,talking and laughing . The apple fell on the ground ,breaking into many pieces 作表语 His job is taking care of animals My wish is travelling aroud the world. 过去分词 构成1规则+ed 2不规则动词。 用法： 1用于现在完成时和过去完成时，及被动语态，表示被动和完成。 2作定语 a broken bike a developed country fallen leaves fried chicken 3作宾补 I have my hair cut . He get his ears pierced 4作表语 His cup is broken. She is lost 不定式，动名词和过去分词作表语的区别 和 4.作补语 Can you get the machine going again? The boys were seen walking on the grass