动词-ing形式作主语和宾语The -ing form as the Subject and Object •动词的-ing形式可分为动名词和现在分词两类作为动名词，它有名词的基本性质，因此动名词可以在句子中充当主语、宾语、表语，宾语补足语和定语导入： 1.动名词做主语 (动名词做主语往往表示经常性、习惯性的动作此时，谓语动词用单数形式)•动名词做主语有三种形式：① 动名词在句首直接做主语 ② It 在句首做形式主语，而动名词短语在后面做真 正的逻辑上的主语 1）形式一 动名词在句首直接做主语•Reading aloud is very important for us to learn a foreign language. •Seeing is believing. •__________(collect) stamps(邮票) is his hobby. Collecting 2）It 在句首做形式主语，而动名词在后面做真 正的逻辑上的主语•Going to bed early is considered to be a good habit.•It is considered to be a good habit going to bed early .• 用下划线画出下面句子的形式主语和真正的主语 • ①It was a waste of time reading that book.• ②It is dangerous standing in the middle of the street.• ③Is it worthwhile arguing with her? 改一改：•1. Drinking milk are good for your health. ____ •2. Eat too much may make you fat._________•3. Read in the sun is bad for your eyes. _____•4. Traveling by ship is a comfortable. _______•5. It is dangerous stand there. ________ isEatingReadingstanding 2.动名词做宾语•动词-ing做宾语的情形：•①作及物动词宾语 •②it作形式宾语，代替动名词 •③作含有介词的动词短语的宾语 •④既可接doing 又可接to do 的动词，但意义不同 •⑤常接动名词的动词或动词短语 •1)作及物作及物动词宾语。
• Would you mind opening the window? • The girl practices playing the violin every evening. •2)it 作形式作形式宾语，代替，代替动名名词• I found it pleasant walking along the river after supper.• Do you consider it necessary trying again? •3）接doing的动词及含有介词的动词短语:•动词：mind, allow, stand, suggest, practise, consider, dislike, enjoy,•含介词的动词短语：feel like, give up, look forward to, keep (on), pay attention to, be used to...•4)接doing 又可接to do 的动词:• A 意义基本一样，如like, love, hate, begin,...• B 意义明显不一样，如remember, forget, regret, stop, go on, mean, try...•They stopped to talk. 他们停下来开始讲话。
•They stopped talking.他们停止讲话 填一填•1. The boy was lucky to escape __________(punish).•2. We don't allow _________(dive) in the pool.•3. Visitors are not allowed__________(enter) the park without a ticket.•4. Would you mind __________(close) e window?•5. Please remember ____________(give) my best wishes to your family.being punisheddivingto enterclosingto give Homwork1、 完成导学案2、《晨读晚练》第二页。