一般現(xiàn)在時(shí)動(dòng)詞的變化規(guī)律

1、一般現(xiàn)在時(shí)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。 動(dòng)詞用原形 （單三人稱動(dòng)詞加 s / es） （問(wèn)句和否定句借用助詞 do / does）1、表示現(xiàn)在的狀態(tài)。例：she works in a hospital.2、表示經(jīng)?；蛄?xí)慣性的動(dòng)作。例： he gets up at six.she visits her grandparents every weekend.3、表示特征或能力。例： he likes english a lot.she can swim.4、表示客觀事實(shí)或普遍真理。例： she said that he earth goes around the sun.5、

2、 在時(shí)間狀語(yǔ)從句和 if 引導(dǎo)的條件狀語(yǔ)從句中，常用一般現(xiàn)在時(shí)表將來(lái)。例： ill write to you as soon as i get to shanghai.well go to the park if it doesnt rain tomorrow.6、 表示（書、信、報(bào)紙、通知、告示和廣播等） “說(shuō)”、“道”，主要是動(dòng)詞 say。例： the notice says, no parking.the radio says heavy rain in the afternoon.7、 當(dāng)主語(yǔ)是第三人稱單數(shù)時(shí)，動(dòng)詞的變化規(guī)則為：規(guī)則動(dòng)詞原形liketellpbyguess第三人稱單數(shù)l

3、ikestdkplaysguesses般動(dòng)詞在詞尾加鳴以字母 s* x)ch,呂 h 結(jié)尾的動(dòng)詞，加化teachwashdodoteacheswashesdotsdots以。結(jié)尾的動(dòng)詞一般加恢gogoes以輔音字母加 y 結(jié)尾的動(dòng)詞，先改 y 為 it 再 i/d-es+4+flycanystudyfliescarriesstuditshave 的第三人稱單數(shù)形式為 has.練習(xí)：1.my father is very busy. he _tv after supper.a.d ont watchb.is nt watch c.did nt watchd.does nt watch2. mar

4、y _ worried because her mother _ ill.ao oks; isbo ok; iscook; wasd.looked; is3. its cold outside. alice, heres your coat. _, please.a. put it on b. put it upc. take it offd. take it away4. there _ many flowers in the street.a.isb.arec.bed.am5. li ming will buy a watch if his father him mon ey.a.give

5、b.givesc.gaved.will give6. if zhang hua _ hard, hell do better in math.a.will study b.studyc.studiesd.is study ing7. there is something on the floor. please _.a.pick up itb.pick up themc.pick it up d.pick them up8. please go out to climb the hill if it tomorrow.a.rains b.raining c.wont rain d.doesnt rain9. _ mr. greenalways tells his daughter a story before she _ to sleep.a.willgo b.went c.is going d.goes10.how do you go to school every day?by bike. but i take a taxi when it _.a.rains11. our teacher taug