Unit2Grammar一般現(xiàn)在時(shí)課件牛津深圳版英語七年級(jí)上冊(cè)

Unit2GrammarThepresentsimpletense一般現(xiàn)在時(shí)謂語動(dòng)詞為行為/實(shí)義動(dòng)詞時(shí)：（1）~的原形（復(fù)數(shù)形式）或（2）~的單數(shù)（第三人稱單數(shù)/三單），即加-s或-es。2.謂語動(dòng)詞為be動(dòng)詞am,is或are。Igetupat6:30everyday.Mydadoftenwalksafterdinner.Iamastudent.My

home

is

close

to

school.Myparentsareyoung.一般現(xiàn)在時(shí)的構(gòu)成表示經(jīng)常性或習(xí)慣性發(fā)生的動(dòng)作。Igetupat6:30everyday.Mydadoftenwalksafterdinner.2.表示當(dāng)下存在的狀態(tài)Iamastudent.My

home

is

close

to

school.Myparentsaretall.3.表示客觀真理。TheSunisbiggerthantheMoon.一般現(xiàn)在時(shí)的用法何時(shí)用一般現(xiàn)在時(shí)看到下面這些表頻率的詞時(shí)，用一般現(xiàn)在時(shí)：

1.頻率副詞：always,usually,often,sometimes,seldom,neverIoften______(play)basketballafterschool.Heoften______(play)basketballafterschool.Iseldom______(go)swimming.Heseldom______(go)swimming.2.every+day/week/month/yearI____(read)bookseveryday.I____(read)bookseveryday.3.onceaweek,twiceaweek,threetimesaweekI________(brush)myteethtwiceaday.He

________(brush)histeethtwiceaday.何時(shí)用一般現(xiàn)在時(shí)?但注意該用過去時(shí)時(shí)，還是用過去時(shí)。Iusually____(go)swimmingattheweekends.Iusually______(go)swimmingattheweekendslastyear.Iusually______(go)swimmingwhenIhadfreetime.動(dòng)詞的單數(shù)eat(原形/復(fù)數(shù))→eats（單數(shù)）study→studiesstay→staiesstay→stays√mix（混合）→mixescross→crossesteach→teachesbrush→brushesgo→goes（1）加-s（2）輔音字母+y結(jié)尾的單詞，改y為i加-es（3）x、s、ch、sh、o結(jié)尾的單詞，加-es（4）have→has（5）be動(dòng)詞→ishave→hasbe動(dòng)詞→isPractice把下列動(dòng)詞變?yōu)槿龁涡问絛o→doesfinish→finishesguess→guessessay→saysPracticeHeusually_____(eat)breakfastat8am.Tom______(study)atnight.Heoften_____(stay)homewhenitrains.Mydad______(brush)teethtwiceaday.He_____(fly)toShanghaieveryyear.Heusually_______(finish)homeworkbefore9:30pm.He____(have)manybooks.He____(sing)andplaystheguitarwell.Mymother____(do)thehouseworkeveryday.Tomusually____(watch)TVintheevening.何時(shí)用動(dòng)詞單數(shù)看主語。當(dāng)主語為：（1）他她它

（2）可以換成“他她它”的詞（3）不可數(shù)名詞（4）this和that（5）不定代詞，如somebodyHegetsupat7ameveryday.

My

father

getsupat7ameveryday.

Thewatertastessweet.Thissoundsfunny.Thatsoundsfunny.Everyonelikesthemovie.PracticeItoften______(rain)alotinsummerinGuangzhou.Theairintheclassroom_______(smell)bad.Themusic______(sound)exciting.Nobody______(want)toplaywithme.This______(taste)good.一般現(xiàn)在時(shí)的否定句肯定句：Heisastudent.否定句：Heisnotastudent.Heisn’tastudent.肯定句：Theyarestudents.否定句：Theyarenotstudents.Theyaren’tstudents.有be動(dòng)詞時(shí)，直接在be動(dòng)詞（am、is、are）后加not肯定句：Iamastudent.否定句：I

am

not

astudent.Iamn’tastudent.×一般現(xiàn)在時(shí)的否定句肯定句：Iliveclosetoschool.否定句：Idon’tclosetoschool.肯定句：Helivesclosetoschool.否定句：Hedoesn’t

liveclosetoschool.肯定句：Weliveclosetoschool.否定句：Wedon’tliveclosetoschool.無be動(dòng)詞時(shí)，補(bǔ)助動(dòng)詞don’t(復(fù)數(shù))或doesn’t(單數(shù))+

動(dòng)詞原形PracticeHeismyfather.(改為否定句)Heisn’tmyfather.Ilikesswimming.(改為否定句)Idon’tlikeswimming.Helikesswimming.(改為否定句)Hedon’tlikeswimming.Hedoesn’tlikesswimming.Hedoesn’tlikeswimming.有be動(dòng)詞時(shí)，直接在be動(dòng)詞（am、is、are）后加not無be動(dòng)詞時(shí)，補(bǔ)助動(dòng)詞don’t(復(fù)數(shù))或doesn’t(單數(shù))+動(dòng)詞原形Theairsmellsgood.(改為否定句)Theairdoesn’tsmellgood.Theylikeswimming.(改為否定句)Theydoesn’tlikeswimming.Theydon’tlikeswimming.一般現(xiàn)在時(shí)的一般疑問句原句有be動(dòng)詞時(shí)，把be動(dòng)詞提到句首肯定句：Heisastudent.一般疑問句：他是一名學(xué)生嗎？Isheastudent?肯定句：Theyarestudents.一般疑問句：他們是學(xué)生嗎？Aretheystudents?一般現(xiàn)在時(shí)的一般疑問句原句無be動(dòng)詞時(shí)：(1)補(bǔ)助動(dòng)詞Do（復(fù)數(shù)）或Does（單數(shù)）(2)后面動(dòng)詞改為原形（三單從后面動(dòng)詞轉(zhuǎn)移到does）一般現(xiàn)在時(shí)的一般疑問句Myfatherisadoctor.(改為一般疑問句)你爸爸是一名醫(yī)生嗎？Isyourfatheradoctor?

Myfatherhasacar.(改為一般疑問句)Doyourfatherhaveacar?Doesyourfatherhasacar?Doesyourfatherhaveacar?原句有be動(dòng)詞時(shí)，把be動(dòng)詞提到句首原句無be動(dòng)詞時(shí)，補(bǔ)Do（復(fù)數(shù)）或Does（單數(shù)）,后面動(dòng)詞改原形Theylovesports.(改為一般疑問句)Doestheylovesports?Dotheylovesports?Hegoestoschoolonfoot.Doheg