1、英语四种时态英语四种时态复习复习1.一般现在时一般现在时2.现在进行时现在进行时3.一般过去时一般过去时4.一般将来时一般将来时1.一般现在时一般现在时(Simple Present)概念概念:表示习惯、经常性的动作或存在的状表示习惯、经常性的动作或存在的状态、特征或客观真理态、特征或客观真理。结构结构:(1)主语)主语+am/is/are+其它其它 They are new students.(2)主语)主语+行为动词行为动词+其它其它 I speak English every day.标志语:标志语:usually、often、never、sometimes、always、once a
2、week、twice a month、every year、1.We often _(go)to school by bike.2.They (be)friends.3.Mike _(like)cooking4.Sometimes he _(play)basketball over there.5.Tom always (watch)TV at night.6.The earth (move)around the sun.likesplaysgowatchesmovesare第三人称单数第三人称单数用一句话概括:用一句话概括:“非你、非我、非复数非你、非我、非复数”1)she he it;2)
3、单个人名、地名;)单个人名、地名;3)单数可数名词或)单数可数名词或this/that/the+单数可数名词;单数可数名词;4)不定代词)不定代词someone,somebody,nobody,everything,something,anything;5)不可数名词;)不可数名词;6)数字和字母)数字和字母动词三单变化规律动词三单变化规律1、一般动词,在词尾加一般动词,在词尾加 ;如:如:work-live-play-sing-eg:She _(live)in Ningbo.她住在宁波。她住在宁波。works lives plays singsslives2.以以,-s,-x,-sh,-ch
4、结尾的加结尾的加 。读作读作/iz/如:如:eg:My mother _(wash)the coat.我母亲洗了大衣。我母亲洗了大衣。washesteach-wash-miss-pass-mix-fix-push-wish-teaches washes misses passesmixes fixespushes wishes-es3.以辅音字母加以辅音字母加y结尾的,结尾的,变变y为为i,再加,再加-es。注意一定是注意一定是辅音字母辅音字母加加y才变,若是才变,若是元音字元音字母加母加y,则直接加,则直接加-s。如:如:fly try fry copy buy enjoy play say
5、 pay flies tries fries copies buys enjoys plays says pays4.4.以辅音字母以辅音字母+o+o结尾的词,一般情况是结尾的词,一般情况是在词尾加在词尾加es,es,读作读作 z z go do goesdoes5.特殊情况特殊情况:have be(am,are)hasis 1.be 动词的一般现在时的句式:动词的一般现在时的句式:肯定句:肯定句:主语主语+be+表语表语(n.,adj.等等)e.g.He _ a worker.You _ thirteen.They_ in the classroom.否定句:否定句:主语主语+be+not+
6、表语表语.e.g.He_(not be)a worker.You _(not be)thirteen.They _(not be)in the classroom.句式结构的变化句式结构的变化is arearearentarentisnt 一般疑问句:一般疑问句:Be+主语主语+表语表语?e.g._ he a worker?Yes,he _./No,he _._ you thirteen?_ they in the classroom?Yes,they _./No,they _.特殊疑问句:特殊疑问句:疑问词疑问词+be+主语主语?e.g.What _ he?What color _that
7、bird?How old _ you?Where _ they?IsAreArearearentisisntisisareare小结小结:be 动词的一般现在时的句式:动词的一般现在时的句式:肯定句:主语肯定句:主语+be+表语表语(n.,adj.等等)否定句:主语否定句:主语+be+not+表语表语.一般疑问句:一般疑问句:Be+主语主语+表语表语?回答:回答:Yes,主语主语+be./No,主语,主语+be+not.特殊疑问句:疑问词特殊疑问句:疑问词+be+主语主语?回答:主语回答:主语+be+其它其它 2.实义动词实义动词的一般现在时句式结构:的一般现在时句式结构:肯定句肯定句:主语主
8、语(非三单非三单)+v.原形原形+其他其他.1)I _(stay)at home on Saturdays.2)They _(have)sports every day.3)My parents _(give)me ten yuan every week.主语主语(三单)(三单)+v.-s/v.-es+其他其他.He _(stay)at home on Saturdays.Lucy_(have)sports every day.stayhavegivestayshas 否定句否定句:主语主语(非三单非三单)+dont+v.原形原形+其他其他 4)I_(not stay)at home on S
9、aturdays.5)They_(not have)sports every day.6)My parents _ (not give)ten yuan to me every week.主语主语(三单三单)+doesnt+v.原形原形+其他其他He_(not stay)at home on Saturdays.Lucy _(not have)sports every day.dont staydont havedont givedoesnt staydoesnt have 一般疑问句:一般疑问句:Do+主语主语(非三单非三单)+v.原形原形+其他?其他?肯定肯定回答:回答:Yes,主语主语+
10、do.否定回答:否定回答:No,主语主语+dont.1)_ you_(stay)at home on Saturdays?2)_ they _(have)sports every day?Does+主语主语(三单三单)+v.原形原形+其他?其他?_ he_(stay)at home on Saturdays?_Lucy_(have)sports every day?Do stayDohaveDoesDoesstayhave特殊疑问句特殊疑问句:疑问词疑问词+do/does+主语主语+v.原形原形+其他?其他?e.g.What _ you_(want)?What _ she_(want)?Wha
11、t time _you_(have)lunch?What time _she_(have)lunch?What _ you _(do)?What _ she _(do)?How _ you_(spell)it?How _ he _(spell)it?dodododowanthavehavewantdodospelldoesdoesdoesdoesspell 小结:小结:(1).如果主语是如果主语是I/We/You/They及及名词复数名词复数,谓语动词不用做任何变化,即仍然用动谓语动词不用做任何变化,即仍然用动词原形表示:词原形表示:肯定句:肯定句:主语主语+动词原形动词原形+其他其他 否定句
12、:否定句:主语主语+dont+动词原形动词原形+其他其他 一般疑问句:一般疑问句:Do+主语主语+动词原形动词原形+其他?其他?肯定回答肯定回答:Yes,主语,主语+do.否定回答否定回答:No,主语,主语+dont.特殊疑问句特殊疑问句:特殊疑问词特殊疑问词+一般疑问句一般疑问句(2).主语是第三人称单数,主语是第三人称单数,肯定句肯定句:主语主语+动词的第三人称单数动词的第三人称单数+其他其他 否定句否定句:主语主语+doesnt+动词原形动词原形+其他其他 一般疑问句一般疑问句:Does+主语主语+动词原形动词原形+其他其他 肯定回答肯定回答:Yes,主语,主语+does 否定回答否定回
13、答:No,主语,主语+doesnt 特殊疑问句特殊疑问句:特殊疑问词特殊疑问词+一般疑问句一般疑问句 现在进行时现在进行时(Present Progressive)概念概念:表示现在正在发生的动作或存在的状态表示现在正在发生的动作或存在的状态结构结构:主语主语+be+动词动词ing 标志语:标志语:Look!、Listen!、nowat the moment、Its.oclock、Be quiet一般在动词原形后一般在动词原形后+ing以不发音的以不发音的e结尾结尾的,去的,去e,+ing重读闭音节以一个重读闭音节以一个辅音字母结尾的,辅音字母结尾的,双写这一字母双写这一字母+ing动词动词-
14、ing形式的构成:形式的构成:writingtakinggettingrunningswimminggoinggoaskwritetakegetrunswimasking特殊变化特殊变化 lie-lying1.They _(wash)the clothes now.2.Look!He _(play)basketball over there.Listen!_ Sally _(sing)?4.What _(be)you (do)now?are washingis playingIssingingaredoing 1.现在进行时的句式:现在进行时的句式:肯定句:肯定句:主语主语+be动词动词+动词
15、动词ing e.g.I a letter.He/She _ to the music.They_ to each other.否定句:否定句:主语主语+be+not+动词动词ing.e.g.I _(not write)a letter.He/She _(not listen)to the music.They _(not talk)to each other.句式结构的变化句式结构的变化am writing is listeningare talkingisnt listeningarent talkingam not writing 一般疑问句:一般疑问句:Be+主语主语+动词动词ing?e
16、.g._ you writing a letter?Yes,I _./No,I _._ he/she listening to the music?_ they talking to each other?Yes,they _./No,they _.特殊疑问句:特殊疑问句:疑问词疑问词+be+主语主语+doing?e.g.What _ he doing?What _ you doing?AreIsArearearentamam notisare 小结:小结:(1).一般现在时表示习惯性或经常性的行为,一般现在时表示习惯性或经常性的行为,而现在进行时表示正在进行的行为:而现在进行时表示正在进行的行为:He cleans his room every day.He is cleaning his room now.We play football every day after school.We are playing football They often come to China for a visit.They are visiting China.一般过去时一般过去时(Past
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