初中英语语法系列非谓语动词课件.ppt

;;非谓语动词的考点;动词;非谓语动词; 基本形式：to+动词原形 （有时可以不带to ） 。 ●动词不定式没有人称和数的变化 ●在句子中不能作谓语 ●但可以担任除谓语外的任何成分——主语、表语、宾语、状语和宾语补足语。;It is + adj.+ of sb.+ to do sth.与 of 连用的形容词常常用来形容“人”：good, kind , nice , wise ,clever , foolish , right , wrong , careful , careless , polite , possibleIt’s very kind of you to help me. 你能帮我，真好。 It’s clever of you to work out the maths problem. 你真聪明，解出了这道数学题。It is + adj.+ for sb.+ to do sth.与 for 连用的形容词常常用来形容“物”：difficult，easy，hard，important，dangerous，（im）possible等。 It’s very dangerous for children to cross the busy street. 对孩子们来说，穿过繁忙的街道很危险。 It’s difficult for us to finish the work. 对我们来说，完成这项工作很困难。;动词不定式的句法功能;动词不定式的句法功能;后面只能接不定式作宾语的动词有：;四：不定式作宾语补足语 1）不可省略to的： 2）可省略to的： 3）可以省可以不省的：; ; ; ;the food to live ______ the bus to come here ____ the pen to write _____ the room to live ____ the knife to cut _____ the person to write ____;不定式作定语的基本条件;分析下列句子;表原因（原因状语）： I’m sorry to trouble you. 2.表目的（目的状语）： I went to the library to learn English.;动词不定式;表示将来： I have a lot of work to do. 2.表示某一次具体的动作： I like dancing, but I don’t like to dance today. 3. 表示目的： To learn English well, you must practise more. ;先看几个例句，判断不定式在句中的成分。 1．To learn a foreign language is difficult .2． His wish is to be a driver .3．Tom wanted to have a cup of beer .4．The teacher told us to do morning exercises .5．I have nothing to say .6．They went to see their aunt .7．It’s easy to see their aunt.8．I don’t know what to do next .9．I heard them make a noise .; 1． “to” 是不定式符号还是介词，下列短语中的to 都是介词。agree to，object to，close to , come to , lead to , refer to ,equal to , familiar to , point to , thank to , devote to , next to , belong to , be(get) used to 习惯于, look forward to 渴望, pay attention to 注意, get down to 开始认真(做某事), devote oneself to 献身于 2． 带to 还是不带toI have no choice but to give in.I cannot do anything but give in.I saw him enter the classroom .（ 但是： He was seen to enter the classroom .）; 3、不定式的否定形式：not to do sth. 　 例如：Tell him ___ the windo