小學英語四種時態(tài)語法講解

1、四種時態(tài)講解小學的時態(tài)分幾種？小學的時態(tài)分幾種？ 一、現(xiàn)在進行時（四年級下） 二、一般現(xiàn)在時（五年級上） 三、一般將來時（五年級下） 四、一般過去時（五年級下） 過去現(xiàn)在將來一般過去時一般現(xiàn)在時現(xiàn)在進行時一般將來時時間軸一、一般過去時1 1、概念：、概念：過去過去某個時間里發(fā)生的動作或狀態(tài)；某個時間里發(fā)生的動作或狀態(tài)；過去過去習慣性、習慣性、經(jīng)常性的動作、行為。經(jīng)常性的動作、行為。2 2、標志詞：、標志詞：1）yesterday或以其構(gòu)成的短語：yesterday morning(afternoon, evening)等；2)由“l(fā)ast+一時間名詞”構(gòu)成的短語：last night, las

2、t year (winter, month, week)等；3)由“時間段+ago”構(gòu)成的短語：long long ago，a moment ago, a short time ago,three days ago等；4)其它：just now等一般過去時3、基本結(jié)構(gòu)：、基本結(jié)構(gòu)： be動詞（注意be的人稱變化，單數(shù)用was，復數(shù)用were）I was in the classroom yesterday morning He was in the classroom yesterday morningThey were in the classroom yesterday morning 行

3、為動詞（動詞過去式規(guī)則變化和不規(guī)則變化）I visited my grandparents yesterday.1）動詞過去式規(guī)則變化）動詞過去式規(guī)則變化構(gòu)成規(guī)則構(gòu)成規(guī)則例子例子一般在動詞原形末尾加-edlooklooked playplayedworkworked以不發(fā)音的e結(jié)尾的動詞加-dlikeliked dancedancedlivelived以輔元輔結(jié)尾的重讀閉音節(jié)，雙寫尾字母，再加-edplanplanned stopstoppeddropdropped結(jié)尾是“輔音字母y”的動詞，改“y”為“i”再加-edstudystudied worryworriedcrycried2）動詞過

4、去式不規(guī)則變化要牢記：動詞過去式不規(guī)則變化要牢記： am,is-was are-were do-did see-saw, say-said give-gave get- got go-went come-came have-had, eat-ate take-took, run-ran, sing-sang put-put, make-made, read-read write-wrote, draw-drew, drink-drank, fly-flew, ride-rode speak-spoke sweep-swept, buy-bought swim-swam, sit-sat bri

5、ngbrought can-could cut-cut become-became begin-began draw-drew feel-felt find-found forget-forgot hear-heard keep-kept know-knew learn-learnt （learned） leave-left let-let lose-lost meet-met sleep-slept teach-taught tell-told write-wrote think-though二、一般現(xiàn)在時一般現(xiàn)在時：一般現(xiàn)在時：1 1、概念、概念：經(jīng)常、反復發(fā)生的動作或行為及現(xiàn)在的某種狀況

6、。2 2、標志詞：、標志詞：always, usually, often, sometimes, every week (day, year, month), on Sundays, etc.3 3、基本結(jié)構(gòu)、基本結(jié)構(gòu)：be動詞(is/am/are)；行為動詞(基本用原形，但主語三單動詞要加s/es)e.g： I am a teacher. (現(xiàn)在的狀態(tài)) He goes to school every day. Katie often has breakfast at 7:15. The earth moves around the sun. (科學事實或真理) 一般現(xiàn)在時常以動詞原形表示，

7、但當主語是第三人稱時，謂語動詞要用第三人稱單數(shù)形式，加-s/es-s/es。動詞第三人稱變化規(guī)則：動詞第三人稱變化規(guī)則：規(guī)則規(guī)則例子例子一般在詞尾加一般在詞尾加-s -sPlayPlayplays plays leaveleaveleavesleavesswimswimswimsswims以字母以字母s, x, ch, sh, os, x, ch, sh, o結(jié)尾的詞加結(jié)尾的詞加-es-es，讀，讀/iz/,/iz/,如果動詞原形詞尾如果動詞原形詞尾已有已有e, e,則只加則只加-s -s。pass pass passes passes watchwatchwatcheswatchesteac

8、hteachteaches teaches washwashwasheswashesdododoesdoes以輔音字母加以輔音字母加y y結(jié)尾的詞結(jié)尾的詞，先變，先變y y為為i, i, 再加再加-es,-es,讀讀/z/z/studystudystudies studies carrycarrycarriescarriesflyflyfliesflies三、現(xiàn)在進行時現(xiàn)在進行時現(xiàn)在進行時1、概念：現(xiàn)在（說話的瞬間）正在進行或發(fā)生的動作，強調(diào)“此時此刻”。2、標志詞：look 看 ；listen聽 ；now現(xiàn)在；3、基本結(jié)構(gòu)： be+動詞ing（也叫現(xiàn)在分詞） （主語不同，be的形式也不同）

9、Look！It is raining outside. Listen! She is singing an English song. We are reading storybooks now.現(xiàn)在分詞的變法規(guī)律：現(xiàn)在分詞的變法規(guī)律： 1、一般在動詞詞尾加上-ing ,E.g. jump-jumping 2、以不發(fā)音字母e結(jié)尾的動詞，先去e，再加-ing. have-having/write-writing/dance-dancing/ take-taking/make-making/come-coming 3、重讀閉音節(jié)結(jié)尾的詞，雙寫尾字母，再加上-ing. sit sitting/put

10、-putting/swim-swimming/run-running/skip-skipping/hop-hopping四、一般將來時一般將來時一般將來時1、概念：表示將要發(fā)生的動作或存在的狀態(tài)及打算、計劃或準備做某事。2、標志詞：tomorrow, next day(week, month, year),soon, the day after tomorrow（后天）等。3、基本結(jié)構(gòu)：1）be going to + 動詞原形；（be有人稱變化）2）will+ 動詞原形. 3）shall 動詞原形 （第一人稱）Im going to have a picnic this weekend.Tomorrow will be Mid-Autumn Festival.We wi