小學(xué)動(dòng)詞變化形式課件

反口令游戲standup起立sitdown坐下turnleft向左轉(zhuǎn)turnright向右轉(zhuǎn)我們學(xué)了哪幾種時(shí)態(tài)？一般過(guò)去時(shí)v+ed一般現(xiàn)在時(shí)v不變或加es一般將來(lái)時(shí)will+V或begoingtodo現(xiàn)在進(jìn)行時(shí)be+v-ing

動(dòng)詞的三大變化規(guī)則目前我們學(xué)的動(dòng)詞有哪幾種形式？動(dòng)詞原形(V原)：play,swim動(dòng)詞三單形式：eats,watches動(dòng)詞現(xiàn)在分詞（V-ing）:playing,running動(dòng)詞過(guò)去式：stopped,lived一般現(xiàn)在時(shí)中，當(dāng)主語(yǔ)是第三人稱單數(shù)時(shí)，謂語(yǔ)動(dòng)詞要用第三人稱單數(shù)形式。其實(shí)主語(yǔ)是第三人稱單數(shù)，主要有以下幾種情況：

1.不可數(shù)名詞作主語(yǔ)。

Somewaterisintheglass.水在玻璃杯里。2.單個(gè)的可數(shù)名詞作主語(yǔ)。

ThegirlisAmerican.這個(gè)女孩是美國(guó)人。3.he,she,it等代詞單獨(dú)作主語(yǔ)。

Shelikesherfamilyverymuch.她非常喜歡她的家。

4.單個(gè)的人名、地名或稱呼作主語(yǔ)。UncleLispeaksalittleEnglish.李叔叔會(huì)說(shuō)一點(diǎn)兒英語(yǔ)。

Fuzhouisabeautifultown.福州是一座美麗的城鎮(zhèn)。5.指示代詞this,that等作主語(yǔ)。

Thisisapear.Thatisanapple.這是一個(gè)梨，那是一個(gè)蘋果。

6.everyone,everything,somethingnobodynothing等不定代詞作主語(yǔ)時(shí)。

Iseveryoneheretoday?

今天大家都到齊了嗎？

7.單個(gè)數(shù)字作主語(yǔ)時(shí)。

“8”isagoodnumberinChina.

在中國(guó)8是個(gè)好數(shù)字。

Ihebehave以-s,-x,-ch,-sh結(jié)尾的詞加-es

以輔音字母加y結(jié)尾的單詞改y為i再加-es

以輔音字母加o結(jié)尾的詞加-es

一般情況在詞尾加-s一.第三人稱單數(shù)動(dòng)詞變化規(guī)則looklooksteachteachesstudystudiesdo,godoes,goeshavehasamis動(dòng)詞三單適用于一般現(xiàn)在時(shí)，主語(yǔ)第三人稱單數(shù)時(shí)（他，她，它及一個(gè)人或一個(gè)物）。練習(xí)一、寫出下列動(dòng)詞的第三人稱單數(shù)。

drinkgostay

havedrinksgoesstayshaspassstudyfixpassesstudiesfixes

brushdowatchbrushesdoeswatches

二、用括號(hào)內(nèi)動(dòng)詞的適當(dāng)形式填空。1.

He

often

______(have)

dinner

at

home.key:has2.Mysister

_____(watch)

everyday

.

key:watches3.Mike

_______(like)

cooking.key:likes4.

Herbrother

_____(study)

veryhard.

key:studies5.Liu

Tao

_______(do)

not

like

PE.

key:does二.動(dòng)詞現(xiàn)在分詞（V-ing）變化規(guī)則

動(dòng)詞現(xiàn)在分詞主要用于現(xiàn)在進(jìn)行時(shí)及一些詞的固定搭配。1.直接加

-ing

,如：cook---cooking2.以不發(fā)音的e

結(jié)尾的動(dòng)詞，要去掉

e

加

ing，如：make—making3.重讀閉音節(jié)動(dòng)詞，而且是輔元輔字母結(jié)尾的詞，雙寫末尾輔音字母加

-ing

,put—putting,run-running,swim-swimming

4.以

-ie

結(jié)尾的動(dòng)詞，把

ie

變成

y

，再加

ing，如：tie—tying練習(xí)一、寫出下列動(dòng)詞的現(xiàn)在分詞：

play

runswimplayingrunningswimming

makeseeskimakingseeingskiingsingliewriteflysinginglyingwritingflying二．用所給的動(dòng)詞的正確形式填空：1.The

boy

_______

(draw)

a

picture

now.key:iscooking2.Look!

They

____

(have)

an

English

lesson.

key:arehaving3.Listen!

Some

girls

____

(sing)

in

the

room.

key:aresinging4.Whatareyoudoing?I_____(run).

key:amrunning三.動(dòng)詞過(guò)去式變化規(guī)則動(dòng)詞的過(guò)去式主要用于一般過(guò)去時(shí)1.一般情況下直接加-ed，如work→worked2.以字母e結(jié)尾，

則只加-d，如:

live→lived,3.以“輔音+y”結(jié)尾的詞，變y為i，

再加-ed，cry→cried4.以重讀閉音節(jié)結(jié)尾，末尾又只有一

個(gè)輔音字母者，將該字母雙寫再加-ed，如：stop→stopped,

。5.不規(guī)則動(dòng)詞do-didbe-was/werego-wentbegin-beganbuy-boughtcome-cameget-gothave/has-hadmake-maderead-readrun-ransee-sawtake-took練習(xí)一、寫出下列動(dòng)詞的過(guò)去式。

worrydanceplay

key:worrieddancedplayedgo

make

doeskey:wentmadedidputdroplivekey:putdroppedlived二、選擇題。1.Lily

___

her

room

last

Sunday.

A.

cleaned

B.

clean

C.

am

cleaningkey:A2.I___

my

homework

at

7:00pm

yesterday

.

A.finish

B.finished

C.

was

finishing

key:B3.Tom

and

Mary

___

(come)

to

China2yearsago.

A.

cameB.comeC.comingkey:A4.He

___________(visit)

the

Great

Wall

last

year.A.visitB.comingC.visitedkey:C綜合練習(xí)一、用所給詞的正確形式填空。1.We_______(have)

a

good

time

yesterday.key:had2.My

father

often_____(sing)

that

song

.key:sings5.She

_____

(like)

music.

Now

she

_____

(sing).

key:likes,issinging3.What

___(do)

he

usually___(do)

after

school?key:does,do6.We____

(visit)

the

Great

Wall

next

month.key:willvisit4.Last

Saturday

my

mother

___

(go)

shopping

and

____

(buy)

me

a

dress.key:went,bought

三、選擇相應(yīng)的答語(yǔ)。()1.Whatdoyouwanttoeat?()2.Didyougotothepark?()3.Howmuchisit?