Be的英语语法(优秀3篇)
Be的英语语法 篇一
Be动词是英语语法中最基础、最常用的动词之一。它有三种形式：am、is、are，分别对应第一人称单数、第三人称单数和复数。Be动词在句子中通常用来表达主语的状态、特征或位置。
首先，我们来看一下Be动词的肯定句结构。一般情况下，肯定句的结构为主语 + Be动词 + 其他成分。比如：
- I am a student.
- She is happy.
- They are in the garden.
Be动词也可以用来构成否定句。在否定句中，我们在Be动词后面加not。比如：
- I am not a teacher.
- He is not at home.
- We are not tired.
另外，Be动词还可以用来构成疑问句。在疑问句中，我们将Be动词提到主语前面。比如：
- Are you busy?
- Is she your friend?
- Am I late?
除了肯定句、否定句和疑问句外，Be动词还可以用来构成进行时态和被动语态。在进行时态中，Be动词后面加上现在分词，表示正在进行的动作。比如：
- They are watching TV.
- She is eating lunch.
- I am reading a book.
而在被动语态中，Be动词后面加上过去分词，表示主语是动作的接受者。比如：
- The cake is being baked.
- The car was repaired yesterday.
- The book will be read by her.
总的来说，Be动词在英语语法中扮演着非常重要的角色，我们需要熟练掌握它的各种用法，才能更准确地表达自己的意思。
Be的英语语法 篇二
Be动词是英语语法中最基础、最常用的动词之一。除了常见的am、is、are外，Be动词还有过去式was和were，以及将来式will be。在不同的时态和语态中，Be动词有着不同的用法。
首先，让我们来看一下Be动词的过去式。过去式was用于第一人称单数和第三人称单数，而were用于复数和第二人称单数。比如：
- I was at home yesterday.
- She was sick last week.
- They were happy on their vacation.
另外，在将来式中，我们用will be来表示将来时。比如：
- I will be there at 9 o'clock.
- She will be busy tomorrow.
- They will be at the party next weekend.
除了时态的变化，Be动词还可以用来构成情态动词，表示可能性、必要性等。比如：
- You should be more careful.
- He might be coming to the party.
- We must be on time.
此外，Be动词还可以用来表示存在、归属等概念。比如：
- There is a cat in the garden.
- The book is on the table.
- The keys were in my bag.
总的来说，Be动词是英语语法中非常重要且常用的动词之一。通过熟练掌握其各种用法，我们可以更准确、流利地表达自川。
Be的英语语法 篇三
Be的英语语法
be是一个多功能动词，在初级英语里可见四种用法：
功能一，系动词be
be为连系动词，中心词义是"是"，句型为"主＋系＋表"结构，初三版：Be 的四功能。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)
She has been ill for over a week.(现在完成时)
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.
Young Tom was always asking questions and trying out new ideas.
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)
This building was built three years ago.(一般过去时的被动语态)
Our classroom has been cleaned and tidied already.(现在完成时的被动语态)
How could this kind of cakes be made in your home?(含情态动词的被动语态)
That is a day never to be forgotten.(动词不定式的被动语态)
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，英语语法《初三版：Be 的四功能》。如：
We are going to plant trees in the park.
I didn't know if she was going to come here.
4.
The new shop is not to be opened till next Monday.
One night an angel came to Mary and told her that she was to have this special boy.
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.
There are about 80 pyramids in Egypt.
Will there be a football match in your school next week?
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.
Kate's birthday party will be at half past six this evening.
Jim has been in China for more than two years, but he has not yet been to Yichang.
