V-ing_orm_复习公开课.ppt

英语一句话只能有一个主谓结构 如果出现更多动词： 加连词（and / but / so…） She watched TV and ate snacks . 放入从句 She watched TV as he ate snacks. 变为非谓语动词 一、其构成方式为： v ing形式的作用 一、–ing 作主语 ①直接置于句首 1) 捉弄别人是我们万万不能干的. Playing tricks on others is something we should never do． 2)学习新单词对我来说非常重要。 Learning new words is very important for me． 3)说比做容易。 Talking is easier than doing. look forward to 盼望, object to反对, pay attention to 注意, oppose to反对 get/be used to习惯于, devote to致力于 get down to着手, listen to be accustomed to习惯于，stick to坚持 apply oneself to致力于 contribute to 有助于 be related to与…有关 2. 在allow, advise, forbid, permit后直接跟动名词作宾语，如果有名词或代词作宾语，则构成“ allow／advise／forbid／permit ＋名词／代词＋不定式（宾语补足语）”之形式。如： We dont allow smoking here． We dont allow anybody to smoke here． 3.动词need, require, want作“需要”解时，后面接-ing分词或不定式的被动式。 如： The room wants cleaning/to be cleaned. 这个房间需要打扫。 三. -ing形式作宾语补足语 1) 动词-ing形式作宾语补足语常放在宾语后面，表示一个正在进行的主动性的动作。 When we returned to the school, we found a stranger standing at the entrance. 当我们回到学校时, 发现一个陌生人站在大门口。 We found the snake eating the eggs. The boss kept them working 14 hours a day. We listen to the birds singing in the tree . I didn’t notice him waiting for at the school gate . 2. 能用-ing形式作宾语补足语的几类动词: 1) 表示感觉和心理状态的动词，常见的有look at, see, listen to，hear, feel, find, notice, observe等。如： We saw a light burning in the window. I felt somebody patting me on the shoulder. Can you smell anything burning? As he spoke, he observed everybody looking at him curiously. 2) 表示让，使意义的动词，常见的有have, set, keep, get, catch, leave等。如： I won’t have you doing it like that. This set me thinking of my childhood. I’m sorry to have kept you waiting. I can’t get the clock stopping again. You won’t catch me doing that again. 3. see, hear, feel, watch等动词之后用-ing形式和动词不定式作宾语补足语的区别： I saw the teacher go to the office . I saw the teacher going to the office. We hear her sing an English song . We hear her singing an