英语课文解析语法.doc

课文解析1. What is Mike doing?迈克在做什么？Hes watching insects.他在观察昆虫。句中主语Mike（人名）是第三人称单数，所以动词要用is。eg: What is Lucy doing?露西在做什么？Shes catching butterflies.她正在捉蝴蝶。注意：hes是he is 的缩写形式。2. Are they eating honey?它们在吃蜂蜜吗？Yes, they are.是的，它们在吃。Are they.? 意思为“它们在（做）吗？”是进行时态的一般疑问句。肯定回答：Yes, they are.否定回答：No, they arent.eg: Are they climbing trees?它们正在爬树吗？No, they arent.不，它们不是。3. Is John playing chess, too?约翰也在下棋吗？Yes, he is.是的，他也在下棋。本句是以is开头的一般疑问句，用yes或no来回答。注意答句的人称要与问句相对应。eg 1: Is he eating lunch now?她正在吃午饭吗？Yes, he is. /No, he isnt. 是的，他是。/不，他不是。eg 2: Is the kangaroo jumping?那只袋鼠正在跳吗？Yes, it is. /No, it isnt. 是的，它是。/不，它不是。eg 3: Is Alice watching insects now?艾丽斯正在观察昆虫吗？Yes, she is./ No, she isnt.是的，她是。/不，它不是。4. Is she counting insects?她在数昆虫吗？No, she isnt.不，她不是。本句中, count insects为数昆虫的意思.eg 1: John is counting insects.约翰正在数昆虫。拓展： count为动词，表示“数；计数”。count的-ing形式：countingeg 2: Can you count from 1 to 1000? 你能从一数到一千吗？注意:count中字母组合ou发au,类似还有: cloudy (多云的),mountain(山)词汇学习1. take pictures（照相）eg: Are they taking pictures?他们在照相吗？Yes, they are.是的，他们是。拓展：take的 ing 形式： taking（去e加ing）同义词组：take photos联想：take off脱衣服 take a look at看一看2. watch insects（观察昆虫） eg 1: Are you watching insects?你正在观察昆虫吗？Yea, I am.是的，我是。拓展：watch可以作动词，意思为“看；观察”。还可以作名词，表示“手表”。eg 2: watch TV 看电视 eg 3: I have a new watch.我有一块新手表。联想：watch out 当心；小心3. pick up leaves（采摘树叶） eg 1: What is he doing?他正在做什么？He is picking up leaves.他正在采摘树叶。拓展：pick为动词，意思为“采摘，采集”。pick 的ing形式：picking eg 2: pick up mushrooms采摘蘑菇eg 3: pick flowers采摘花朵4. do an experiment（做实验）eg: The students are doing an experiment.学生们正在做实验。联想：以do开头的短语还有：do morning exercises 做早操 do sports做运动 do the dishes洗碗碟do homework 做作业 注意：experiment 以元音因素开头，所以前面要用an。 5. catch butterfly（捉蝴蝶） eg 1: We are catching butterflies. 我们正在捉蝴蝶。拓展：catch为动词，意思为“捉住，抓住”。catch的-ing形式：catchingeg 2: catch the ball接球。助记：butterfly （蝴蝶）变复数：变y为i 加es。联想: catch dragonflies捉蜻蜓6. in the woods在树林里eg: The tiger is running in the woods.那只老虎正在树林里奔跑。联想：in the forest 在树林里 in the tree在树上7. collect leaves（收集树叶） eg: Collecting leaves is his hobby.收集树叶是他的爱好。拓展：collect为动词，表示“收集”。collect的-ing形式：collectingcollect stamps集邮8. write a report（写报告）eg: Are you writing a report?你正在写报告吗？No, Im not.不，我没有。拓展：本词组的-ing形式：writing a report正在写报告 (write去e，再加ing)联想：write a letter写信 write an e-mail 写电子邮件9. play chess（下棋） Are the twins playing chess?那对双胞胎正在下棋吗？Yes, they are.是的，他们是。联想：play sports进行体育活动 play the piano弹钢琴 play computer games玩电脑游戏10. have a picnic（举行野餐）What are they doing?他们正在做什么？They are having a picnic.他们正在举行野餐。联想：have开头的短语还有：have a look看一看 have an English class 上英语课 have breakfast 吃早餐 11. honey（蜂蜜）eg: My sister likes eating the honey.我姐姐喜欢吃蜂蜜。语法学习现在进行时的一般疑问句. 现在进行时的一般疑问句是把动词be,即：am, is, are提前。句型 相应be动词 + 主语 + 现在分词 + ？eg. Are you dancing? 他们正在跳舞吗？Is he drawing a picture? 他正在画一张画吗？Are you talking with your friend? 你正和你的朋友谈话吗？.现在进行一般疑问句的答语句型:（1）肯定回答：Yes, 主语 + 相应be动词。（2）否定回答：No, 主语 + 相应be动词 + not。eg. Are you listening to the music? Yes, I am. / No, I am not. 你正在听音乐吗？是的，我正在听。/ 不，我没在听。Is Aunt Wang knitting a sweater? No, she isnt. 王阿姨正织毛衣吗？不，她没有。一.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：_3. She, the window, open, now.(用现在进行时连词成句.)_4. The birds are singing in the tree.(就划线部分提问)_5. is,who,the window, cleaning?(连词成句)_6. She is closing the door now.(改成否定句)_7. they, the tree, sing, now, under.(用现在进行时连词成句.)_8. The Young Pioneers are helping the old woman.(改成一般疑问句)_二.用现在进行时完成下列句子:1._you_(play)tennis2._your friends_(live)near here3.what_he_(do)4._they_(go)to school every day？Yes, they ./No, they_ .5._you_(fly) a kite? Yes, _.6._she_(sit) in the boat?7._you_(ask) questions?8. We_(play) games now.参考答案：一.1. The boy isnt playing basketball.Is the boy playing basketball?Yes, he is.No, he isnt.What is the boy doing?Who is playing the basketball?2. They arent singing in the classroom.Are they singing in the classroom?Yes, they are.No, they arent.What are they doing?Where are they singing?3. She is opening the window now.4. What are the birds doing in the tree?5. Who is cleaning the window?6. She isnt