搜狗做题网be动词怎么运用?
来源：学生作业帮 编辑：搜狗做题网作业帮 分类：英语作业 时间：2024/04/28 16:24:04
be动词怎么运用?
e动词是am,is,are．它们的过去式是am,is-was,are-were.
有个口诀：I 后am,you 后are,is跟着他她它,单数后面用 is,复数后面定用 are .但是这个只能用在一般现在时
功能一,中心词义是"是",句型为"主＋系＋表"结构.be的形式常用am,is,are(现在式)；was,were(过去式)；will/can/may/must be(助动词/情态动词＋原形)；have/has/had been(助动词＋过去分词)等.如：
To help animals is helping people.(一般现在时)
The twins were very busy yesterday.(一般过去时)
It will be sunny tomorrow.(一般将来时)
功能二,助动词be
助动词be,无词义,辅助主要动词一起在句中作谓语动词.用法如下：
1.be+doing：构成进行时态,有现在和过去两种进行时态.如：
The girls is reading and copying the new words now.
2.be+done：构成被动语态(主语是动作的承受者,done必须是及物动词).如：
Tea is grown in my hometown.(一般现在时的被动语态)
3.be+going to do,表示"打算或将要做某事",be有现在和过去两种形式.如：
We are going to plant trees in the park.
4.be+to do,表示"按计划安排将要做某事".如：
The new shop is not to be opened till next Monday.
功能三,there be
there be句式为：there be+主语部分＋状语部分,表示"某处存在某物",be常用现在时,过去时和将来时等.如：
Oh,cool!And there are many things to see.There is even a deer park in Sanya.
功能四,实义be
可以将be视为实义动词,因为它具有实际的词义,如"成为;做;发生;举行;逗留;到达"等.如：
His daughter wants to be a doctor for animals in her twenties．
有个口诀：I 后am,you 后are,is跟着他她它,单数后面用 is,复数后面定用 are .但是这个只能用在一般现在时
功能一,中心词义是"是",句型为"主＋系＋表"结构.be的形式常用am,is,are(现在式)；was,were(过去式)；will/can/may/must be(助动词/情态动词＋原形)；have/has/had been(助动词＋过去分词)等.如：
To help animals is helping people.(一般现在时)
The twins were very busy yesterday.(一般过去时)
It will be sunny tomorrow.(一般将来时)
功能二,助动词be
助动词be,无词义,辅助主要动词一起在句中作谓语动词.用法如下：
1.be+doing：构成进行时态,有现在和过去两种进行时态.如：
The girls is reading and copying the new words now.
2.be+done：构成被动语态(主语是动作的承受者,done必须是及物动词).如：
Tea is grown in my hometown.(一般现在时的被动语态)
3.be+going to do,表示"打算或将要做某事",be有现在和过去两种形式.如：
We are going to plant trees in the park.
4.be+to do,表示"按计划安排将要做某事".如：
The new shop is not to be opened till next Monday.
功能三,there be
there be句式为：there be+主语部分＋状语部分,表示"某处存在某物",be常用现在时,过去时和将来时等.如：
Oh,cool!And there are many things to see.There is even a deer park in Sanya.
功能四,实义be
可以将be视为实义动词,因为它具有实际的词义,如"成为;做;发生;举行;逗留;到达"等.如：
His daughter wants to be a doctor for animals in her twenties．