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1、小学阶段四种时态复习一、一般过去时一般过去时：表示事情已经发生。常见时间状语：last,yesterday,just now,ago,句子特点：动词用过去式.动词过去式分规则动词和不规则动词。句子结构：肯定句：主语+V.ed 否定句：主语+助动词did+not+V.(原型)一般疑问句：助动词Did+主语+V.(原型)？eg:1.I had an exciting party last weekend.否定：_ 一般疑问句2.They all went to the mountains yesterday morning.否定：_ 一般疑问句：_3.The pen was on the desk
2、 just now.否定：_ 一般疑问句：_I didnt have an exciting party last weekend.Did I have an exciting party last weekend?They all didnt go to the mountains yesterday morning.Did they all go to the mountains yesterday morning?The pen wasnt on the desk just now.Was the pen on the desk just now?be动词用过去式：动词用过去式：am,i
3、swas;arewere句子结构：肯定句：主语+was/were否定句：主语+was/were+not+一般疑问句：was/were+主语+？Eg 1.I was a student some years ago.否定：_ 一般疑问句：_I wasnt a student some years ago.Was I a student some years ago?二、一般现在时一般现在时：表示经常发生的动作,或是 自然规律、常理。常与every,always,usually,often,sometimes等表经常的时间状语连用。注：注：当主语是第三人称单数时，当主语是第三人称单数时，动词也要用
4、第三人称单数。动词也要用第三人称单数。动词第三人称单数：A:直接加s（如，plays、runs）B:以s,x,o,ch,sh结尾的单词加es（如washes,watches,does,fixes,misses）C:以辅音字母加y结尾的单词，改y为i加es。(如：studies,carries,flies)句子结构：肯定句：主语+V.（主语为三单时加s）否定句：主语+助动词do/does+not+V.(原型)一般疑问句：助动词Do/Does+主语+V.(原型)？eg:1.We often play in the playground after school.否定：一般疑问句：2.He usua
5、lly gets up at six oclock.否定：一般疑问句：3.Mike sometimes goes to the park with his sister.否定：一般疑问句：4 The sun rises in the east.(太阳从东边升起)否定：一般疑问句：We often dont play in the playground after school.Do we often play in the playground after school?He usually doesnt get up at six oclock.Does he usually get up
6、at six oclock?Mike sometimes doesnt go to the park with his sister.Does Mike sometimes go to the park with his sister?The sun doesnt rise in the east.Does the sun rise in the east?三、现在进行时现在进行时：表示正在进行的、发生的动作。通常在句子中有以下的词：now,look,listen.句子的结构如下：肯定句：主语+be动词+V.ing 否定句：主语+be动词+not+V.ing 一般疑问句：be动词+主语+V.i
7、ng？am，is，are的用法口决：我用am，你用are。is 跟着她，他，它，单数is，复数are其中动词的ing形式有如下方法：A.在动词后直接加ing:如：go-going,wash-washing,flyflyingB.以单个元音+单个辅音+e结尾，去掉e加ing,如：drivedriving；rideriding；makemakingC.某些单词要双写词尾的字母：如：swim-swimming；runrunning；getgetting；eg：1.I am listening to the music now.否定：_ 一般疑问句：_2.Listen!She is singing.否
8、定：_ 一般疑问句：_I am not listening to the music now.Am I listening to the music now?Listen!She isnt singing.Listen!Is she singing?四、一般将来时一般将来时：表示将要发生的事情。常见时间状语：next，tomorrow,soon等表示将来的时间。句子结构：be going to+动词原形动词原形;肯定句：主语+be动词+going to+V原形否定句：主语+be动词+not+going to+V原形 一般疑问句：be动词+主语+going to+V原形？eg:1.I am go
9、ing to play football this afternoon.否定：_ 一般疑问句：_2.We are going to New York next week.否定：_ 一般疑问句：_3.Nancy is going to play the piano tomorrow.否定：_ 一般疑问句：_I am not going to play football this afternoon.Am I going to play football this afternoon?We arent going to New York next week.Are we going to New York next week?Nancy isnt going to play the piano tomorrow.Is Nancy going to play the piano tomorrow?