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      英語語法

       昵稱331325 2009-09-24
      英語五種基本句型列式如下:

      基本句型一: S V (主+謂)

      基本句型二: S V P (主+謂+表)

      基本句型三: S V O (主+謂+賓)

      基本句型四: S V o O (主+謂+間賓+直賓)

      基本句型五; S V O C (主+謂+賓+賓補(bǔ))

      八大時(shí)態(tài)
      一、 一般現(xiàn)在時(shí):

      1.概念:經(jīng)常、反復(fù)發(fā)生的動(dòng)作或行為及現(xiàn)在的某種狀況。

      2.時(shí)間狀語: always, usually, often, sometimes, every week (day, year, month…), once a week, on Sundays,

      3.基本結(jié)構(gòu):動(dòng)詞 原形 (如主語為第三人稱單數(shù),動(dòng)詞上要加(e)S)

      4.否定形式:am/is/are+not;此時(shí)態(tài)的謂語動(dòng)詞若為行為動(dòng)詞,則在其前加don't,如主語為第三人稱單數(shù),則用doesn't,同時(shí)還原行為動(dòng)詞。

      5.一般疑問句:把be動(dòng)詞放于句首;用助動(dòng)詞do提問,如主語為第三人稱單數(shù),則用does,同時(shí),還原行為動(dòng)詞。

      6.例句:. It seldom snows here.

      He is always ready to help others.

      Action speaks louder than words.

      二、 一般過去時(shí):

      1.概念:過去某個(gè)時(shí)間里發(fā)生的動(dòng)作或狀態(tài);過去習(xí)慣性、經(jīng)常性的動(dòng)作、行為。

      2.時(shí)間狀語:ago, yesterday, the day before yesterday, last week(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(jié)構(gòu):be動(dòng)詞;行為動(dòng)詞

      4.否定形式:was/were+not;在行為動(dòng)詞前加didn't,同時(shí)還原行為動(dòng)詞。

      5.一般疑問句:was或were放于句首;用助動(dòng)詞do的過去式did 提問,同時(shí)還原行為動(dòng)詞。

      6.例句:She often came to help us in those days.

      I didn't know you were so busy.

      三、 現(xiàn)在進(jìn)行時(shí):

      1.概念:表示現(xiàn)階段或說話時(shí)正在進(jìn)行的動(dòng)作及行為。

      2.時(shí)間狀語:now, at this time, these days, etc.

      3.基本結(jié)構(gòu):am/is/are+doing

      4.否定形式:am/is/are+not+doing.

      5.一般疑問句:把be動(dòng)詞放于句首。

      6.例句: How are you feeling today?

      He is doing well in his lessons.

      四、 過去進(jìn)行時(shí):

      1.概念:表示過去某段時(shí)間或某一時(shí)刻正在發(fā)生或進(jìn)行的行為或動(dòng)作。

      2.時(shí)間狀語:at this time yesterday, at that time或以when引導(dǎo)的謂語動(dòng)詞是一般過去時(shí)的時(shí)間狀語等。

      3.基本結(jié)構(gòu):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(xiàn)在完成時(shí):

      1.概念:過去發(fā)生或已經(jīng)完成的動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果,或從過去已經(jīng)開始,持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)。

      2.時(shí)間狀語:recently, lately, since…for…,in the past few years, etc.

      3.基本結(jié)構(gòu):have/has + done

      4.否定形式:have/has + not +d one.

      5.一般疑問句:have或has。

      6.例句:I've written an article.

      It has been raining these days.

      六、 過去完成時(shí):

      1.概念:以過去某個(gè)時(shí)間為標(biāo)準(zhǔn),在此以前發(fā)生的動(dòng)作或行為,或在過去某動(dòng)作之前完成的行為,即“過去的過去”。

      2.時(shí)間狀語:before, by the end of last year(term, month…),etc.

      3.基本結(jié)構(gòu):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(shí):

      1.概念:表示將要發(fā)生的動(dòng)作或存在的狀態(tài)及打算、計(jì)劃或準(zhǔn)備做某事。

      2.時(shí)間狀語:tomorrow, next day(week, month, year…),soon, in a few minutes, by…,the day after tomorrow, etc.

      3.基本結(jié)構(gòu):am/is/are/going to + do;will/shall + do.

      4.否定形式:was/were + not; 在行為動(dòng)詞前加didn't,同時(shí)還原行為動(dòng)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(shí):

      1.概念:立足于過去某一時(shí)刻,從過去看將來,常用于賓語從句中。

      2.時(shí)間狀語:the next day(morning, year…),the following month(week…),etc.

      3.基本結(jié)構(gòu):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

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