華閱文章網英語句子中什么時候要用be動詞
be是一個連系動詞，它有自己不同的形式
現在時：be 進行時：being 過去時：was/were 過去分詞：been
它的后面必須跟形容詞或名詞作表語，與之構成系表結構，充當句子的謂語。
i am a student主語：i 謂語：am a student（系表結構）
being是它的現在進行時態，一般不單獨用，而是用于現在進行時的被動語態。（being+動詞過去分詞）
the bike is being repaired.單車正在被修理中。
it is being finished by him這正在被他完成中。
been是它的過去分詞，也不一般單獨使用，而是用于現在完成時、過去完成時以及需要它的句子。
i have been here for a long time.我已經到這里有一段時間了。
【英語句子十句要10句英語句子.一般現在時的（只有be動詞或只有實
I am a boy.I like to play basketball.I often go shopping with my girlfriend.I want to be a doctor in th * will break up with * usually does some exercises in the * loves her parents very * doesn't need to * is used to swimming in the evening,He is angry with his classmates.。
15個一般現在時態的句子 be動詞的5個,動詞原形的5個,還動詞單三
be 動詞
* is smart * is good * are beautiful * is ok * are fine.
動詞原型
1. i buy a knife * close the door * climb the tree * finish the work.5.i love you.
動詞單三
* likes you * costs 15 * runs fast * has a * changes her mind.
一、 一般現在時： 1.概念：經常、反復發生的動作或行為及現在的某種狀況. 2.時間狀語： always, usually, often, sometimes, every week (day, year, month…)， once a week, on Sundays, 3.基本結構：動詞 原形 （如主語為第三人稱單數，動詞上要改為第三人稱單數形式） 4.否定形式：am/is/are+not；此時態的謂語動詞若為行為動詞，則在其前加don't，如主語為第三人稱單數，則用doesn't，同時還原行為動詞. 5.一般疑問句：把be動詞放于句首；用助動詞do提問，如主語為第三人稱單數，則用does，同時，還原行為動詞. 6.例句：. It seldom snows here. (it doesnot)(dose it或者isnot it？口語)He is always ready to help others. (he is not )(is he ?)Action speaks louder than words. 二、 一般過去時： 1.概念：過去某個時間里發生的動作或狀態；過去習慣性、經常性的動作、行為. 2.時間狀語：ago, yesterday, the day before yesterday, last week,last(year, night, month…)， in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc. 3.基本結構：be動詞；行為動詞 的過去式 4.否定形式：was/were+not；在行為動詞前加didn't，同時還原行為動詞. 5.一般疑問句：was或were放于句首；用助動詞do的過去式did 提問，同時還原行為動詞. 6.例句：She often came to help us in those days. I didn't know you were so busy. 三、 現在進行時： 1.概念：表示現階段或說話時正在進行的動作及行為. 2.時間狀語：now, at this time, these days, etc. 3.基本結構：am/is/are+doing 4.否定形式：am/is/are+not+doing. 5.一般疑問句：把be動詞放于句首. 6.例句： How are you feeling today? He is doing well in his lessons. 四、 過去進行時： 1.概念：表示過去某段時間或某一時刻正在發生或進行的行為或動作. 2.時間狀語：at this time yesterday, at that time或以when引導的謂語動詞是一般過去時的時間狀語等. 3.基本結構：was/were+doing 4.否定形式：was/were + not + doing. 5.一般疑問句：把was或were放于句首. 6.例句：At that time she was working in a PLA unit. When he came in, I was reading a newspaper. 五、 現在完成時： 1.概念：過去發生或已經完成的動作對現在造成的影響或結果，或從過去已經開始，持續到現在的動作或狀態. 2.時間狀語：recently, lately, since…for…，in the past few years, etc. 3.基本結構：have/has + done 4.否定形式：have/has + not +done. 5.一般疑問句：have或has. 6.例句：I've written an article. The countryside has changed a lot in the past few years. 六、 過去完成時： 1.概念：以過去某個時間為標準，在此以前發生的動作或行為，或在過去某動作之前完成的行為，即“過去的過去”. 2.時間狀語：before, by the end of last year(term, month…)，etc. 3.基本結構：had + done. 4.否定形式：had + not + done. 5.一般疑問句：had放于句首. 6.例句：As soon as we got to the station, the train had left. By the end of last month. We had reviewed four books 七、 一般將來時： 1.概念：表示將要發生的動作或存在的狀態及打算、計劃或準備做某事. 2.時間狀語：tomorrow, next day(week, month, year…)，soon, in a few minutes, by…，the day after tomorrow, etc. 3.基本結構：am/is/are/going to + do;will/shall + do. 4.否定形式：was/were + not； 在行為動詞前加didn't，同時還原行為動詞. 5.一般疑問句：be放于句首；will/shall提到句首. 6.例句：They are going to have a competition with us in studies. It is going to rain. 八、 過去將來時： 1.概念：立足于過去某一時刻，從過去看將來，常用于賓語從句中. 2.時間狀語：the next day(morning, year…)，the following month(week…)，etc. 3.基本結構：was/were/going to + do;would/should + do. 4.否定形式：was/were/not + going to + do;would/should + not + do. 5.一般疑問句：was或were放于句首；would/should 提到句首. 6.例句：He said he would go to Beijing the next day. I asked who was going there . 九.將來完成時： 1.概念：在將來某一時刻之前開始的動作或狀態 2.時間狀語：by the time of;by the end of+時間短語（將來）；by the time+從句（將來） 3.基本結構：be going to/will/shall + have done 十.現在完成進行時： 1.概念：在過去某一時刻之前開始的動作或狀態一直持續到說話為止 2.基本結構：have/has +been+doing 幾種常見時態的相互轉換 英語中的幾種時態在一定情況下可以互相轉換，以下是幾種常見的轉換形式： 十一、 一般過去時與現在完成時的轉換 在現在完成時中，延續性動詞能與表示一段時間的狀語連用，瞬間動詞卻不能.但是，可用別的表達方式：①瞬間動詞用于“一段時間 + ago”的一般過去時的句型中；②瞬間動詞可改成與之相對應的延續性動詞及短語，與一段時間連用；③瞬間動詞用于“It is + 一段時間 + since + 一般過去時”的句型中，表示“自從……以來有……時間”的意思，主句一般用it is來代替It has been；④瞬間動詞用于“Some time has passed since + 一般過去時”的句型中.請看： A. He joined the League two years ago. B. He has been in。
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