ing形式作主语和宾语(1).pptVIP

注意:下列短语中的 to都是介词 devote …to， object to(反对)， pay attention to， get down to(着手做 )， look forward to， lead to, be/get used to, stick to， make contributions to We are both looking forward to __ next week. A. going on vocation(休假) B. go on vocation C. be going on vocation D. have gone on vocation 3 -ing与不定式的比较： -ing表示的动作通常是一个泛指的动作，不定式则通常表示具体的动作。 我喜欢看书，但是我现在想看电影。 I like ，but now I like . reading to see a film 注意: allow/ permit /advise/forbid sb to do allow/ permit /advise/forbid doing We dont allow smoking here． We dont allow anybody to smoke here． need, require, want作“需要”解时, 后接动词-ing形式作宾语, 主动形式表示被动意义, 相当于to be done。 e.g.这台收音机需要修理。 The radio needs / requires / wants . = The radio needs / requires / wants . repairing to be repaired 【即时练习】 1.花需要被浇水了。 The flowers need / require/ want watering. The flowers need / require / want to be watered . = 2.房间需要被打扫了。 The room needs / requires/ wants cleaning. The room needs / requires / wants to be cleaned . = 注意：-ing form的否定形式 not + v-ing 事先没让你知道，我必须为此向你道歉。 I must apologize for __________________ ahead of time. 我没去那儿,对不起。 I’m sorry for _________________ not being there. not letting you know 注意: -ing 的被动形式 这只松鼠很幸运地没被抓到。 This squirrel was lucky that it just missed being caught. 这台机器在使用前必须要检查一下。 Before ，the machine must be checked. being used being +过去分词 v-ing形式的复合结构(独立主格结构)： 在动词-ing形式前面加上逻辑主语来强调动作的执行者,在语法上相当于一个短语。 形容词性物主代词或名词所有格+v-ing made we worried. 我姐姐病了，使我很担心。 doesnt necessarily mean my bein