七年级语法| 现在进行时的用法现在进行时1概念引入I. 什么是现在进行时？1）现在进行时表示说话时正在进行或发生的动作。
例如：I am reading a book. 我正在看书。
2）表示现阶段正在进行而说话时不一定在进行的动作。
例如：I am learning English hard these days.这些日子我正在努力学习英语。
II. 现在进行时的标志词。
现在进行时常和now、at the moment、look、listen等连用。
2用法讲解I. 现在进行时的结构。
现在进行时的结构是：助动词be（am，is，are）＋现在分词v-ing现在分词的构成：1）动词的后面直接加－ing。
例如：work－working，study－studying2）以不发音的字母e结尾的动词，先去掉字母e，再加－ing。
例如：live－living3）以重读闭音节结尾并且只有一个辅音字母的动词，先双写这个辅音字母，再加－ing。
例如：stop－stopping，swim－swimming，run－runningII. 现在进行时的用法。
1）现在进行时表示说话的时候正在进行的动作，经常和now，right now，at the moment等时间状语或者动词look，listen等连用。
例如：My father is watching TV now.我爸爸现在在看电视。
Look! My brother is playing basketball there.看！我弟弟正在那里打篮球。
2）现在进行时可以表示目前一段时间内一直进行的动作，经常和these days，this week，at present等时间状语连用。
例如：My parents are working on a farm these days.这些天我的父母在农场干活。
3）现在进行时还可以表示现在不断发展变化的事情，表示不断发展变化的动词有get，grow，turn，become等。
例如：The leaves are turning yellow. 树叶在变黄。
4）现在进行时还可以表示将要发生的动作，只限于动词arrive，begin，go，come，leave，fly等动词。
例如：I am coming soon. 我马上来。
Ⅲ. 现在进行时的句式变化。
肯定句式：主语+be( am, is, are)+现在分词+其它.否定句式：主语+be(am, is, are) +not +现在分词+其它.一般疑问句：Be(am, is, are) +主语+现在分词+其它？特殊疑问句：疑问词+be(am, is, are)+主语+现在分词+其它？对现在进行时的特殊疑问句的回答，它不可以用Yes或No直接作答，要根据实际情况回答。
Ⅳ. 现在进行时的特殊用法。
表示位置移动的动词，如：leave/ come/go/begin等用于现在进行时，表示按计划或安排近期将要进行的动作，常与表示将来的时间状语连用。
—Can you help me? 你能帮我吗？—OK! I’m coming. 当然可以，我就来。
I’m going fishing tomorrow. 我明天要去钓鱼。
Ⅴ. 现在进行时和一般现在时的区别。
1）现在进行时表示此时此刻正在进行的动作，或者某一段时间内正在进行的动作。
常与now, listen, look, at present, at the moment 等词连用。
例如：Listen! The bird is singing in the tree.听！小鸟在树上唱歌。
2）一般现在时表示习惯性，经常性的动作。
例如：She goes to school at seven o’clock. 她七点钟去上学。
它所描述的事情一般不会发生改变。
例如：物体的性质：The table is made of wood. 这个桌子是木头做的。
客观事实或真理：The earth is bigger than the moon. 地球比月亮大。
巩固练习Ⅰ. 单项选择。
1. －Listen! Who______ in the room?－Let’s go and see.A. is cryingB. cryingC. cryD. cries2. －Who ______ that piano?－My sister, when she has time.A. playsB. is playingC. playD. playing3. －Where is your mother, Helen?－She _____ the flowers over there in the garden.A. watersB. waterC. wateringD. is watering4. －Hello! Is that John speaking?－Sorry. This is Henry. John ______ supper.A. cookB. cooksC. is cookingD. cooked5. －Is that your coat sir?－No. Mine _____ over there near the window.A. hangsB. is hangingC. hangD. has hung6. Look! The workers ______ a new bridge now. The traffic in Changchun will be better soon.A. buildB. are buildingD. were building7. — Is tea ready?— No, mother is ______ it ready now.A. doingB. cookingC. burningD. getting8. —Where’s Li Hua?— Look! He _______ tennis on the playground.A. playsB. playedC. was playingD. is playing9. Kate ______ singing, but she likes dancing. Look! She ______ there.A. doesn’t like; is dancingB. doesn’t like; dancin gC. isn’t like; is dancingD. don’t like; is dancin g10. — Excuse me, where is Lily?— Oh, she ______ the volleyball match on the playground.A. watchesB. will watchC. is watchingD. watched11. — _______ is the weather in Beijing?—It’s sunny.A. WhatB. WhyC. HowD. Where12. －What's the weather like in London?－It’s ______.B. cloudC. rainyD. rains13. — ______ fine weather today!—Yes, let’s go fishing.A. WhatB. What aC. HowD. Why14. — ______ your brother ______ on the playground?—Yes, he is.A. Does; playB.Is; playC. Is; playingD. Do; playing15. My parents _______ watching TV now.A. don’tB. aren’tC. doesn’tD. isn’t16．—Do you know if Cindy will drive to Italy this weekend?—Cindy? Never! She ______driving．A．has hatedB．hatedC．will hateD．hates17. —What a hot day!—The weather report says it will be even ________ tomorrow． A．coolerB．hotterC．wetterD．colder18. Listen ! Someone ________ in the next room .A. criedB. cryingC. is cryingD. has cried19. The teacher told us that the sun ________bigger than the earth.A. isB. wasC. has beenD. will be20. He often his clothes on Sundays.A. washingB. washesC. has washedD. wash真题链接：1. — Where is Betty?— She __________ basketball on the playground.A. playsB. playedC. will playD. is playing2. — Look! The old man ______ a big box into the house.—Let’s go and help him.A. pullsB. pulledC. is pullingD. has pulled3. Yunnan is beautiful and I’m ______ visiting it again.A. keeping clear ofB. suffering fromC. looking forward toD. running away fromⅡ. 用现在进行时填空。
1. Look! They _______ (eat) dinner.2. —What’s your brother doing?— He _______(play) computer games.3. Listen! Andrew _______(sing) in the room.4. Be quiet! The teachers _______(have) a meeting.5. — Can you go to the movie now?—Sorry, I can’t. I _______(write) to my pen pal.Ⅲ. 根据汉语意思，翻译下列句子。