分词的用法

I saw him singing now.
Don't have the students studying all day.怎么看的是都分次,不是动词吗?怎么判断是不是分词

分词分:现在分词doing形式,过去分词done形式.它们的作用各不相同.
现在分词在句子中担任:
Collecing infromation is very inportant to businessme(主语)
The little girl is afraid of going out(宾语)
Your duty will be keeping watch on that house(表语)
Drinking water should be boiled(定语)
Being ill, the student is absent today(状语)
I felt my heart beating wildly(宾补)
注意:在视觉感官动词后的宾补,如果是现在分词,表示那动作正在进行着,I saw him washing his face我看见他正在洗脸.
如果是后跟动词原形,表示那整个动作都了解.I saw the man walk into the hall.我看见那男子走过大厅
过去分词的作用:
She had a worried look on her face (定语)
The work finished ,they had ten day's leave(状语)
He looked worried after reading the letter(表语)
Some of us though the game lost(宾补).
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第1个回答  2006-11-11
动词按照是否用作谓语,有谓语动词和非谓语动词之分。
英语的原则是一句句子中不能有两个谓语动词(并列句除外),所以同时有两个以上动词时,其余动词要用非谓语形式。非谓语动词有三种形式:不定式,动名词,分词(又分为过去分词和现在分词)。上面的两个例子中的singing和studying都是现在分词。
用法:
1.现在分词用作跟其逻辑主语成主动关系的时候。
2.现在分词表示逻辑主语正在进行或者常常进行的动作(相当于时态中的正在现在/过去进行时和一般现在时)。
详细点的参看下面的网址:http://chinavery.100steps.net/yingyufuxi/5986.html

建议:同时学习所有的动词非谓语形式(不定式,动名词,现在/过去分词),并分清楚它们的区别。
第2个回答  2006-11-11
Don't have the students studying all day."
1. "Have" 就是动词。在中文可以翻成 "让”。
“不要让学生整天学习。”

"I saw him singing now." 有一点奇怪, 因为saw表示以前的事情,而now表示现在的事情。可以说 "I saw him singing [earlier]". 或 "I see him singing now"
(也许当时跟朋友在手机上描述你看到的东西。)
2. "Saw" 是动词。“看到了”的意思。
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