be 动词是个瞬间动词还是持续动词

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be 动词是个瞬间动词还是持续动词
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be 动词是个瞬间动词还是持续动词
be 动词是个瞬间动词还是持续动词

be 动词是个瞬间动词还是持续动词
be作助动词用的形式如下:
①am,is,are,was,were
②助动词+be:shall be,will be,can be,etc.
③have/has/had + been(完成时)
④am,is,…being(进行时)
(1)表达进行时态
句型 be + V-ing…(进行时态)
例:What are you reading?
(你正在阅读什么?)
I am reading a magazine.
(我正在阅读杂志.)
例:He will be taking a walk in the park at this time tomorrow morning.
(明天早晨此时他将会正在公园散步.)
例:She has been teaching English in our school for years.
(她已在我们学校教英语许多年了.)
解说 第一例句是表达现在进行时,第二例句是将来进行时,第三例句是现在完成进行时.
(2)表达被动语态
句型 be +p.p.…(被动语态)
例:English is spoken in both Canada and the United States.
(加拿大和美国都讲英语.)
例:Those keys were found in your drawer.
(那些钥匙是在你的抽屉里找到的.)
例:It can be done much faster in this way.
(这件工作用这个方法可以更加快速地做好.)

持续动词
例1:You must be really hungry.
例2:I am hungry.

兄弟,刚刚问get的也是你啊
我刚刚的回答已经包含了be动词
持续动词啊