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动词原形,什么时候加ing

1,当to 是介词是,后跟动词要用ing形式 (1) admit to doing sth. 承认做了某事 (2) apply to doing sth. 适用于做某事 (3) object to doing sth. 反对做某事 (4) see to doing sth. 负责做某事 (5) stick to doing sth. 坚持做某事 2,当to 是...

to 用作动词不定式时接动词原形,表示某个动作;用作介词时接动词ing或是名词1.things to learn, 修饰things,to do 作定语,句意表示要学习的东西;2.like to work late, 这里是like的固定搭配,like to do或是like doing 都表示喜欢做某事。喜...

当to作为介词使用的时候,后面接doing I'm looking forward to seeing you soon . 当to作为不定式的符号使用时,后面接do I refused to help him .

当to 是介词是,后跟动词要用ing形式 pay attention to, look forward to 当to 是不定式符号时,后用动词原形 want to

still只是个副词,不影响后面动词的形式, 主要还是看时态, 如He is still reading.他现在仍然在读书。 I still live in China.我还住在中国。

1. 用于现在进行时或过去进行时 如: He is singing. He was doing his homework at this time yesterday . 2. 动名词作主语时 如 Reading in bed is bad for your eyes. 3. 现在分词作状语时 如: The children threw snowballs at each other ...

加ed 用于一般过去时,或动词做形容词时 加ing 1.现在进行时be doing2.动词放句首作主语用ing3.固定用法 如look forward to doing等,此类只能自己积累,在这里写不下的 原形1.一般现在时主语是we. you. I they2.跟在can .could. may等情态动词...

当前面有动词或助动词时加ing,当一句话中没有动词时用原型.

正在进行时就用ing 助动词、情态动词后用原型 如: He is swimming.他在游泳。 Can he swim?他会游泳么?

当to作为动词不定式的标志时,后面加动词原形,作为介词的词性时,用v-ing的形式。 这些动词后面接的to用动词原形: want, wish, hope, manage, pretend, decide, learn, agree, expect, demand, long, ask, care, choose, dare, fail, offer, p...

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