一般现在时变否定句地规则.docx

一般现在时变否定句地规则.docx

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一般现在时变否定句地规则

一般现在时变否认句的规如此.

    （a） 含有amisare的句子,变否认句时,

           只需在amisare后加not.

             例1Thisisabook.

                    否认句Thisisnotabook.

             例2Iamateacher.

                   否认句Iamnotateacher.

             例3Thesearepens.

                  否认句Thesearenotpens.

    （b）含有实义动词的句子，变否认句分两步。

       〔1〕如果主语是第三人称单数时，要在实义动词前加doesn't,后面的动词用原形。

               例1Heeatsanapple.

                       否认句Hedoesn'teatanapple. 

                 例2Jimdoeshishomework.

                       否认句Jimdoesn'tdohishomework.

                 例3Marrygoestoschool.

                     否认句Marrydoesn'tgotoschool.

（2）如果主语不是第三人称单数时，只需在实义动词前加don't.

                例1IteachEnglish.

                      否认句Idon'tteachEnglish.

                例2Theygotoschool.

                     否认句Theydon'tgotoschool. 

                例3Wesingasong.

                     否认句Wedon'tsingasong.

        （c）含有情态动词的句子,变否认句时,只需在情态动词后加not.

                 例1Icandance.

                      否认句Icannotdance.

                      或Ican'tdance. 

                例2TheycanspeakEnglish.

                      否认句 TheycannotspeakEnglish.

                      或Theycan'tspeakEnglish.

                例3Hemustgohome. 

                     否认句 Hemustnotgohome.

                      或Hemustn'tgohome.

                例4He must be on the playground.

                      Hecan notbeon the playground.

                     析：

当must be用来表示推测，有“一定〞的含义时，

                            否认式要用can not.

               例5Youmustsaysomethingatthemecting.

                       Youneedn’tsayanythingatthemecting.

                     析：

当“must+行为动词〞用来表示“必须〞的含义时，

                    其否认式可用needn’t或mustn't表示“不需要〞，“不必〞，

                     语气委婉，must not表示“禁止〞，“千万别〞语气生硬。

              例6You may e in now.

                      You mustn'teinnow.

                    析：

may作为情态动词表示“可以〞时，

                      其否认式用must not,而不用may  not.

              例7HemaywatchTV.

                     Hemustn'twatchTV.

      注意:

（1）见到some变否认句时,要换成any.

                      例1Ieatsomeapples. 

                             否认句Idon'teatanyapples.

                    例2Hehassomebooks.

                           否认句Hedoesn'thave anybooks.

                       例3Hedoeshishomework.

                            否认句Hedoesn'tdohishomework.

（2）见到and变否认句时,要换成or.

                    例1Thereissomeairand wateronthemoon.

                           否认句Thereisn'tanyairorwateronthemoon.

                      例2Hehassomebrothersandsisters.

                          否认句Hehasn'tanybrothersorsisters.

                     例3Heeatsapplesandoranges.

                           否认句Hedoesn’teatapplesororanges.

               （3）见到too和also变否认句时,要换成either.

                例1Tomgoestoschooltoo.

           否认句Tomdoesn’tgotoschooleither.

                    too和also用于肯定句中时，否认句中用either替换。

               〔4见到already变否认句时,要换成yet。

                   例1Hehashadsupperalready.

                 Hehasn’thadsupperyet.

       随着对谓语动词的否认，某些副词也要作相应的变动。

             一般现在时精炼

一将如下句子变否认句。

         例1Iamaboy.

         例2Youareagirl.

         例3Heisateacher.

         例4JimisEnglish.

        例5Thesearebikes.

         例6Thosearemaps.

         例7Theyarebuses.

        例8WeareChinese.

二将如下句子变否认句。

        例1I’maboy.

        例2You’reagirl.

        例3He’sateacher.

         例4It’sapen.

       例5Thesearesomebikes.

        例6Thosearemapsandpencils.

        例7They’resomebusesandcars.

        例8Sheisyourteacher.

三将如下句子变疑问句。

       例1Iamaboy.

       例2Youareagirl.

       例3Heismyteacher.

       例4JimisourEnglish.

       例5Thesearesomebikes.

        例6Thosearemymaps.

        例7Theyaresomebuses.

        例8WeareChinese.

四将如下句子变成疑问句。

        例1I’maboy.

        例2You’reagirl.

        例3He’smyteacher.

         例4It’sapen.

       例5Thesearesomebikes.

        例6Thosearemapsandpencils.

        例7They’resomebusesandcars.

        例8Sheisyourteacher.

五将如下句子变否认句。

       例1IteachEnglish.

        例2Theygotoschool.

        例3Wesingasong.

        例4Hespellsit.

        例5Shegoestoschool.

        例6Hedoeshishomework..

        例7Theydotheirhomework.

        例8Idomyhomework.

六将如下句子变否认句。

       例1HeteachesmyEnglish.

        例2TheyspeakEnglishandFrench.

        例3Weeatsomeapples.

        例4Jimspellsit.

        例5Shegoestoourschool.

        例6Hedoessomehomework..