1、小学现在进行时讲解一、现在进行时的定义,构成,标志性词语定义:表示现在或现阶段正在进行或发生的动作或存在的状态。构成:由 be(am/is/are)+动词-ing 形式构成标志性词语:1.现在进行时.通常用“now”.eg: I am doing my homework now.2.现在进行时.通常用“look”.eg: Look! My mother is running!3.现在进行时.通常用“listen”.eg: Listen! They are reading.4.现在进行时.通常用“at the (this) moment”eg: At the (this) moment, he
2、is only weeping.二、动词现在分词的构成规则1 一般情况下直接加 ingthink-thinking sleep-sleeping study-studying speak-speaking say-sayingcarry-carrying wake-waking2 以不发音的字母 e 结尾的单词,去掉字母 e,再加 ingcome-coming make-making leave-leaving have-having take-taking3 以重读闭音节(重读闭音节即两个辅音中间夹一个元音并且重读的音节)结尾,呈现 “辅,元,辅”结构的动词,双写末尾的辅音字母,再加 ing
3、 stop-stopping sit-sitting run-running forget-forgetting begin-beginning 这类词还有:bigin,cut, get,hit, run, set, sit, spit, stop, swim, beg, drop, fit, nod, dig,forget, regret, rid, 等。4 以 ie 结尾的动词,把 ie 改为 y ,再加 ingdie-dying lie-lying三、现在进行时的用法(1)用来表示说话时正在进行或者发生的动作,例如:Mother is cooking in the kitchen.妈妈在
4、厨房里煮饭。What are you looking at? 你在看什么?(2)用来表示现阶段正在进行的动作(但说话时不一定在进行),例如: Is she writing a novel? 她正在写一本小说吗?(3)用来表示即将发生的动作,一般是指按计划或者安排好要发生的动作。适用于这种情况的动词主要有:go,come,leave,start,arrive等。例如: Im going home in half an hour.我一个半小时内要回家。The train is arriving soon.火车很快就要到达了。四、现在进行时的句型变化 肯定式结构:主语+be+动词-ing 形式+其他
5、.例如:We are running now. 否定式结构:主语+be+not+动词-ing 形式+其他.例如:They arent doing their homework. 一般疑问句式结构:Be+主语+动词-ing 形式+其他?例如: Is she having English lesson?回答:肯定 Yes, she is. 否定:No, she isnt. 特殊疑问句式结构:疑问词+be+主语+其他?例如:What is he doing now?回答:He is swimming.五、巩固练习一. 写出下列动词的现在分词形式work_ sing_ play_ _ study_ h
6、ave _ dance _ write_ _ take_ run_ sit_ shop_ swim_ lie_二.按要求改写句子1. The boy is playing basketball.否定句:_一般疑问句:_肯定回答:_否定回答:_ 对“is playing basketball”提问:_对“The boy”提问:_2. They are singing in the classroom.否定句:_一般疑问句:_肯定回答:_否定回答:_ 对“are singing”提问:_对“in the classroom”提问:_三. 用现在进行时完成下列句子1. What _ you _ (d
7、o)?2. I _ (sing) an English song.3. What _ he _ (mend)?4. He _ (mend) a car.第 2 / 4 页5. _ you _ (fly) a kite? Yes, _.6. _ she _ (sit) in the boat?7. _ you _ (ask) questions?8. We _ (play) games now.9. What are you _(do) now? I _(eat) bread.10. Its nine oclock. My father_(work) in the office.11. Look
8、, the boy_(put) the rubbish into the bin.12. _he_(clean) the classroom?No, he isnt. He_(play).13. Where is Max? He_(run) on the grass.14. Listen, who_(sing) in the music room?Oh, Mary_(sing) there.四。选择题1. Who _ over there now?A. singing B. are sing C. is singing D. sing2. Its eight oclock. The stude
9、nts _ an English class.A. have B. having C. is having D. are having3. Listen! The baby _ in the next room.A. crying B. cried C. is crying D. cries4. Look! The twins _ new sweaters.A. are wearing B. wearing C. are wear D. is wearing5. Dont talk here. Grandparents _.A. is sleeping B. are sleeping C. s
10、leeping D. sleep6. Tom is a worker. He _ in a factory. His sisters _ in a hospital.A. work/ work B. works/ work C. work/ works7. Who _ English best in your class?A. speak B. speaks C. speaking8. Mrs. Read _ the windows every day.A. is cleaning B. clean C. cleans第 3 / 4 页9. We _ music and often _ to
11、music.A. like/ listen B. likes/ listens C. like/ are listening10. She _ up at six in the morning.A. get B. gets C. getting11. On Sundays he sometimes _ his clothesand sometimes _ some shopping.A. wash/ do B. is washing/ is doing C. washes/ does12. The twins usually _ milk and bread for breakfast, but Jim _some coffee for it.A. have/ have B. have/ has C. has/ have