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七年級(jí)英語(yǔ)下冊(cè)Module 2 Unit 4 Save the trees.(Grammar)

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《Man's best friends》Unit 4 Save the trees.(Grammar)
1.Grammar

The present continuous tense
1.We use the present continuous tense to show that something is happening now.
2.We also use the present continuous tense to talk abotemporary situations.ut
It is often used with:
now,at the moment,right now,look,listen
eg:
We are stay at Peter's house now.
The students are listening to Miss Li carefully.
Is Linda doing her homework at home right now?
What are you doing at the moment?
Listen,the singer is singing on the stage.
Look,Michael is playing the guitar.
Why is he crying?
3.現(xiàn)在進(jìn)行時(shí)還表示當(dāng)前一段時(shí)間或現(xiàn)階段正在進(jìn)行(但說(shuō)話時(shí)不一定在進(jìn)行)的動(dòng)作。常與this week,these days等時(shí)間狀語(yǔ)連用。
eg:
We are planting trees this week.
The students are working hard these days.
We are making model planes these days.
4.描述圖片中的人物的動(dòng)作,也為了表達(dá)更生動(dòng),此時(shí)也常用現(xiàn)在進(jìn)行時(shí)。
eg:
Look at the picture,the children are flying kites in the park.

This is the structure of a sentence in the present continuous tense.
Present Continuous
am-is-are
verb
-ing
I am eating now.
What are they doing?
What is she doing?
What's he doing? He is...
dancing
dance→dancing
What's the girl doing?She is ...
skating
skate→skating
What are they doing?they are...
running
run→running
現(xiàn)在進(jìn)行時(shí)的構(gòu)成
肯定句:主語(yǔ)+be(is/am/are)+現(xiàn)在分詞
否定句:主語(yǔ)+be(is/am/are)+not+現(xiàn)在分詞
一般疑問句:be(is/am/are)+主語(yǔ)+現(xiàn)在分詞
特殊疑問詞:特殊疑問句+be(is/am/are)+主語(yǔ)+現(xiàn)在分詞
We form the present continuous tense with the verb to be +the -ing form of the main verb.
We form the-ing form of the main verb like this:

 Main verb   -ing form  Example
 Most verbs   +ing   feel→feeling
 Verbs ending in -e  e+ing   write→writing
 Verbs ending in -ie  ie+ying  die→dying
 Some verbs enging in a vowe!  Double the cosonant  run→running
 letter+a consonant letter    letter+ing  

寫出下列動(dòng)詞的現(xiàn)在分詞形式
read--reading         play--playing
dance--dancing        write--writing
sit--sitting          get--getting
have--having          eat--eating
look--looking         carry--carrying
begin--beginning      put--putting
lie--lying

Look at them carefully!
What's he/she doing? He/she is...
walking     drawing     dancing     eating
What are they doing?
They are reading books in a bookshop.
What are you doing?
We are buying some food in a supermarket.
Tom is playing football.
Lucy read a book.

Grammar exercise
A Katie is on holiday with her friends.She is telling Alex what everyone is doing.Look at the picture below and complete hte conversation with the verb in brackets.
Katie:Hi,Alex.We _______ (have)fun at the beach.
Alex:What _____everyone _____(do)?
Katie:Ted________(play)volleyball with Carol.Jenny and Henry_____(play)badminton.
Grace ________(fish).Ivan ______(swim)in the sea.Laura and Johnny ______      (lie) on the beach.Laura _____(eat) an ice cream too.Jim _______(play) the       guitar.And I _______(talk) to you on the phone.Alex.
We do not usually use the verbs in the box below in the present contiuous tense.Instead,we use them in the simple present tense.
believe     hear       like       prefer       smell        understand
hate        know       love       see          taste        want
I know the answer now.(√)
I am knowing the answer now.(×)
She likes this poem.(√)
She is liking this poem.(×)

Grammar exercise
Look at the pictures below and complete the conversations with the verbs in brackets.
Mum:The phone_______(ring),Sam.
Sam:I ______(know),but I'm very busy,Could you answer it,please?
Mary:I _____(think)about what to weat to jane's birthday party tonight.Can you      help me?
Ann:Sure,I ______(prefer) the long dress.
Fred:That ________(smell)very nice.What ___ you ______(eat),Tom?
Tom:I ________(eat)some cake._______you _____(want) some?
有些動(dòng)詞從結(jié)構(gòu)來(lái)看是現(xiàn)在進(jìn)行時(shí),但卻是表示將要發(fā)生的事,而不表示動(dòng)作現(xiàn)在正在進(jìn)行。這些動(dòng)詞往往是一些表示位置移動(dòng)變化的動(dòng)詞,
如:go,some,leave,fly,move,begin,arrive,stay,return等。
Next month my family is moving to Beijing.
下個(gè)月,我家就要搬到北京去了。(搬的動(dòng)作并非現(xiàn)在發(fā)生,而將在下個(gè)月發(fā)生。)
My aunt is leaving for Shanghai at eleven o'clock tomorrow morning.
明天早上十一點(diǎn)我嬸嬸將離開去上海。

在實(shí)際運(yùn)用時(shí),現(xiàn)在進(jìn)行時(shí)常用以下幾種情況:
(1)當(dāng)句子中有now,at the resent,at the moment(現(xiàn)在)時(shí),常表示動(dòng)作正在進(jìn)行,或者告訴你一個(gè)準(zhǔn)確的現(xiàn)在時(shí)間,這時(shí)要用現(xiàn)在進(jìn)行時(shí)。如:
They are playing basketball now.現(xiàn)在他們正在打籃球。
(2)以look,listen等暗示性詞語(yǔ)開頭的句子,提示我們動(dòng)作正進(jìn)行,這是要用現(xiàn)在進(jìn)行時(shí)。如:
Listen!She is singing an English song.聽,她正在唱英語(yǔ)歌。
(3)當(dāng)局中出現(xiàn)的時(shí)間狀語(yǔ)是today,these days,this week,this month等時(shí),如果句子所要表達(dá)的意義是在這一階段正在翻身的事,則動(dòng)詞應(yīng)用現(xiàn)在進(jìn)行時(shí)。如:
We are making model planes these day.這些天我們?cè)谧鲲w機(jī)模型。
(4)描述圖片中的人物的動(dòng)作,也為了表達(dá)更生動(dòng)。此時(shí)也常用現(xiàn)在進(jìn)行時(shí),如:
Look at the picture.The children are flying kites in the park.
看這幅圖,那些孩子正在公園放風(fēng)箏。
(5)在口語(yǔ)中表示主語(yǔ)計(jì)劃將要作的動(dòng)作。
They are leaving for New York tomorrow.明天他們將要?jiǎng)由砬巴~約。
Is your brohter departing soon? 你的兄弟很快就要啟程嗎?
這類情況常與come來(lái),go去,leave離開,depart離開,arrive到達(dá),stay逗留,start開始等動(dòng)詞連用。所用的動(dòng)詞必須是動(dòng)作而不是狀態(tài),主語(yǔ)必須是人。

Homework
1.完成下列漢譯英。
琳達(dá)的哥哥現(xiàn)在正在臥室里看電視。
你此刻在干什么呢?
他們正在教室里學(xué)習(xí)嗎?
現(xiàn)在他們不在打籃球。
你知道這個(gè)問題的答案嗎?
那塊蛋糕聞著特別香。
2.復(fù)習(xí)今天所學(xué)的內(nèi)容,掌握現(xiàn)在進(jìn)行時(shí)的用法,完成《練習(xí)冊(cè)》Grammar部分的練習(xí)。

此內(nèi)容正在抓緊時(shí)間編輯中,請(qǐng)耐心等待

周老師

女,中教中級(jí)職稱

英語(yǔ)專業(yè)八級(jí),優(yōu)秀教師,在教學(xué)工作中,善用現(xiàn)代教育技術(shù)手段輔助教學(xué),以提高課堂教學(xué)效率,教學(xué)成績(jī)突出。

七年級(jí)英語(yǔ)下冊(cè)Module 2 Unit 4 Save the trees.(Writing,More practice, Culture cornner)

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七年級(jí)英語(yǔ)下冊(cè)Module 2 Unit 4 Save the trees.(Grammar)

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