动名词做主语

改一改：
• • • • • is 1. Drinking milk are good for your health. ____ Eating 2. Eat too much may make you fat._________ 3. Read in the sun is bad for your eyes. Reading _____ 4. Traveling by ship is a comfortable. _______ standing 5. It is dangerous stand there. ________
• 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.
• 2)it 作形式宾语，代替动名词。
• 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。
动词-ing形式作主语和宾语
The -ing form as the Subject and Object
导入：
• 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。
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)
填一填
being punished • 1. The boy was lucky to escape __________(punish). diving • 2. We don't allow _________(dive) in the pool. to enter • 3. Visitors are not allowed__________(enter) the park without a ticket. closing • 4. Would you mind __________(close) e window? to give • 5. Please remember ____________(give) my best wishes to your family.
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)作及物动词宾语。
• Would you mind opening the window? • The girl practices playing the violin every evening.
来自百度文库omwork
1、 完成导学案 2、《晨读晚练》第二页。
• Collecting __________(collect) stamps(邮票) is his hobby.
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?