Unit2SectionA課件英語人教版八年級(jí)上冊(cè)

Unit2Howoftendoyouexercise知識(shí)概要課時(shí)講練1.Howoftendoyouexercise你多長(zhǎng)時(shí)間鍛煉一次

（1）exercise作動(dòng)詞，意為“鍛煉”。例如:

Mr.

Black

exercises

every

day.

布萊克先生每天鍛煉。SectionA（第一、二課時(shí)）

（2）exercise還可以作名詞，意為“體育鍛煉;運(yùn)動(dòng);體操”。當(dāng)exercise指具體的運(yùn)動(dòng)或體操時(shí)是可數(shù)名詞，復(fù)數(shù)形式是exercises，常和動(dòng)詞do搭配使用;

當(dāng)exercise指籠統(tǒng)的運(yùn)動(dòng)時(shí)是不可數(shù)名詞，常用短語:

take/do

exercise“做運(yùn)動(dòng)”。例如:

Doing

eye

exercises

is

good

for

your

eyes.

做眼保操對(duì)你的眼睛有好處。

We

should

take

more

exercise

to

keep

healthy.

我們應(yīng)該多鍛煉來保持健康。2.—HowoftendoyouwatchTV你多久看一次電視—I

watch

TV

every

day.

我每天看電視。

how

often,

how

long,

how

soon的用法及區(qū)別。短語釋義用法答語特征how

often多久一次詢問動(dòng)作的頻率含有always,

usually,

often,

sometimes,

hardly

ever,

never,

once

a

week,

twice

a

month,

every

two

years等表示頻率的詞或短語。短語釋義用法答語特征how

long多久詢問時(shí)間多久for+時(shí)間段多長(zhǎng)詢問物體的長(zhǎng)度數(shù)詞+名詞+longhow

soon多快；多久以后詢問時(shí)間多快in+時(shí)間段續(xù)表例如:—Howoftendoesheplaytheviolin他多久拉一次小提琴—Twiceaday.每天兩次?！狧owlongdoesittakeyoutogotoschoolbybike你騎自行車上學(xué)要花多長(zhǎng)時(shí)間—Fortwentyminutes.20分鐘?！狧owsoonwillMr.Licomeback李先生多久后回來—Hewillcomebackinamonth.他將在一個(gè)月后回來。3.He

hardly

ever

watches

TV.他幾乎不看電視。（1）hardly用作副詞，意為“幾乎不”，表示否定意義，常放在be動(dòng)詞、助動(dòng)詞、情態(tài)動(dòng)詞之后，實(shí)義動(dòng)詞之前；構(gòu)成反意疑問句時(shí)，后半部分用肯定形式。類似的詞還有few，little，never，none，nobody，nothing等。例如:ShecanhardlyspeakGerman.她不太會(huì)說德語。Hehardlyhadtimetoeatbreakfast,didhe他幾乎沒時(shí)間吃早飯，是嗎

（2）hardly

ever意為“幾乎從不”，表示否定意義。例如:

Betty

hardly

ever

goes

out

at

night.

晚上貝蒂幾乎從不出去。4.She

sometimes

goes

shopping.她有時(shí)去購(gòu)物。

sometimes，sometime與some

time的用法區(qū)別。詞語詞性釋義用

法sometimes頻率副詞有時(shí)表示動(dòng)作發(fā)生的不經(jīng)常性，多與一般現(xiàn)在時(shí)連用，可位于句首、句中或句末。對(duì)它提問用

how

often。詞語詞性釋義用

法sometime副詞在（過去或?qū)淼模┠硞€(gè)時(shí)候表示某個(gè)不確定或不具體的時(shí)間，常用于過去時(shí)或?qū)頃r(shí)，對(duì)它提問用

when。some

time名詞短語一段時(shí)間句中謂語動(dòng)詞常為延續(xù)性動(dòng)詞；對(duì)它提問用

how

long。續(xù)表例如：SometimesIgoforawalkaftersupper.有時(shí)，我晚飯后去散步?！猈henwillwevisitthefarm我們將什么時(shí)候去參觀農(nóng)場(chǎng)—Sometimenextweek.下周某個(gè)時(shí)候。Mr.Blackwillstayhereforsometime.布萊克先生將在這里待一段時(shí)間。5.I

go

to

the

movies

maybe

once

a

month.我可能每個(gè)月看一次電影。

maybe與may

be

的用法區(qū)別。詞語釋

義用

法maybe也許；大概；可能在句中作狀語，相當(dāng)于perhaps,表示可能性較小。一般放句首。may

be可能是；也許是“情態(tài)動(dòng)詞+be動(dòng)詞”結(jié)構(gòu)，表示推測(cè)。位于句中。

例如:

Maybe

she

is

a

nurse.

=

She

may

be

a

nurse.

她也許是一名護(hù)士。6.一般現(xiàn)在時(shí)的用法。

（1）定義。一般現(xiàn)在時(shí)是表示現(xiàn)在經(jīng)常發(fā)生或反復(fù)發(fā)生的動(dòng)作、存在的狀態(tài)或習(xí)慣性動(dòng)作的時(shí)態(tài)。

（2）構(gòu)成。

①一般現(xiàn)在時(shí)謂語是行為動(dòng)詞時(shí)，用原形，但第三人稱單數(shù)作主語時(shí)，謂語動(dòng)詞用第三人稱單數(shù)形式，即規(guī)則動(dòng)詞的詞尾要加-s;

以s,

x,

o,

ch,

sh結(jié)尾的動(dòng)詞加-es；以“輔音字母+y”結(jié)尾的動(dòng)詞改y為i再加-es。

②一般現(xiàn)在時(shí)謂語是be動(dòng)詞時(shí)，主語是第一人稱單數(shù)，be動(dòng)詞用am,

主語是第三人稱單數(shù)，be動(dòng)詞用is，主語是其他人稱時(shí)，be動(dòng)詞用are。

（3）用法。

①表示經(jīng)常性或習(xí)慣性的動(dòng)作，常與表示頻率的時(shí)間狀語always,

usually,

often,

sometimes,

twice

a

week,

seldom,

once

a

month,

hardly

ever,

never,

every

morning/night/evening/day/week等連用。例如:

Linda

reads

English

every

morning.

琳達(dá)每天早上讀英語。

②表示現(xiàn)在的狀態(tài)。例如:

He

is

tall

and

strong.

他又高又壯。

③表示客觀事實(shí)或普遍真理。例如:

The

earth

goes

around

the

sun.

地球繞著太陽轉(zhuǎn)。基礎(chǔ)達(dá)標(biāo)一、單項(xiàng)選擇。1.—Jerry,________doyouvisityourgrandparents—Onceaweek.()CA.how

long

B.how

soon

C.how

often2.—WhereisCindy—________sheisintheclassroom.()CA.May

B.May

be

C.Maybe3.It

is

raining

so________

that

we

can________

go

out.(

)

AA.hard;

hardly

B.hard;

hard

C.hardly;

hard4.I

usually

go

to

school

by

bike,

but

________

I

walk

there.(

)

CA.sometime

B.some

time

C.sometimes5.She

often

gets

up

very

late.

She

________

takes

exercise

in

the

morning.(

)

BA.always

B.hardly

ever

C.usually小錦囊

由題目中的“她經(jīng)常起得很晚”可推知，“她早上很少鍛煉”，那么應(yīng)該用一個(gè)含有否定意義的詞（組）。6.—What________sheusuallydoonSundays—Shesometimes________TV.()AA.does;

watches

B.is;

watches

C.do;

watches7.—Howoftendoesyourbrotherexercise,Mary—________aweek.()CA.One

B.First

C.Once8.—Sorry,Ican’tgotothemovieswithyoutonight.—Really________()BA.What

time？

B.How

come？

C.How

often？9.Everyone

needs

to

have

________

eight

hours’

sleep

at

night.(

)

CA.at

most

B.at

less

C.at

least10.His

life

was

________

so

that

he

couldn’t

find

time

for

hobbies.(

)

AA.full

B.free

C.happy二、根據(jù)漢語提示，寫出正確的單詞完成句子。1.Mary’s

favorite

TV

___________（節(jié)目）

is

Animal

World.programme2.You’d

better

take

the

medicine

______（兩次）

a

day.twice3.I’m

not

sure.

_______（也許）

she

is

an

English

teacher.Maybe4.Susan

often

helps

her

mother

do

some

___________（家務(wù)活）.housework5.Didyou_____（曾經(jīng)）seeanythingsowonderfulever三、用括號(hào)內(nèi)所給單詞的適當(dāng)形式填空。1.I

often

go

_________（shop）

with

my

mother

on

Sundays.shopping2.Dick________（watch）

TV

three

times

a

week.watches3.Doing

eye

exercises___（be）

good

for

your

eyes.is4.Linda

usually

____（have）

breakfast

at

home.has5.___________（not

sleep）

too

late

on

weekends,

please.Don’t

sleep能力訓(xùn)練四、從方框中選擇恰當(dāng)?shù)倪x項(xiàng)，補(bǔ)全對(duì)話。有一項(xiàng)多余。A:Excuseme,mayIaskyousomequestionsB:Certainly.A:1.（）B:Ieatthemeveryday.A:DoyoulikethemCA.

How

long

do

you

sleep

every

night?B.

Yes,

I

do.C.

How

often

do

you

eat

fruit

and

vegetables?D.

But

I

try

to

eat

it

once

a

week.E.

No,

I

don’t.