
小学一般现在时教案.doc
9页小学一般现在时复习教案一、 教学目标:复习并掌握一般现在时的构成及其用法二、 教学重点: 一般现在时的构成 教学难点:一般现在时的运用三、 教具:图片四、 教学过程1、 定义—— 一般现在时的自我介绍 (1) 表示经常发生或习惯性发生的动作时,用一般现在时态 e.g.:I often watch TV at home.(出示看电视的图片) I usually get up at six .(出示起床的图片) I do my homework every night. (出示做作业的图片) (2) 表示客观的事实,用一般现在时态 e.g.:There are seven days in a week. The sky is blue.(出示蓝天的图片)2、 特征词—— 一般现在时的好朋友 often usually always sometimes never every+时间3、一般现在时的构成—— 一般现在时的真面目 (1) 肯定句的结构 ①be动词:主语+be(am,is,are)+其它。
e.g.:I am a boy. He is happy. ②行为动词:主语+行为动词(+其它) e.g.:We study English. The boy plays basketball.★注意: ①当句子主语是I, we, they, you(第一、二人称)或复数名词时,动词用动词原形 ② 当句子的主语是he, she, it或单数名词(第三人称单数)时,动词要用第三人称单数的现在式形态(在动词后面加"-s"或"-es") e.g.:Mary likes Chinese.★复习:人称单数复数第一人称Iwe第二人称youyou第三人称He\she\itthey一般动词后加swears, reads, works, makes, likes,laughs,buys以s, x, ch, sh结尾,后加eswatches, brushes,teaches,guesses,catches.以辅音字母 + o结尾,一边加esgoes, does辅音字母 + y结尾的单词, 变y为I, 加esWorries, carries第三人称单数动词变化—— 叮当法术变变变!特殊形式: have---has★课堂巩固操练——出示图片,请学生造句(分4个小组各造一句)图片组1:Tom、clean the room图片组2:A Cat、eat fish图片组3:Mary、watch TV图片组4:My mother、work in a factory★练习—— 考考你1. 把下列人称归类Tom, Jiamin, I , my father, you, they, my cousin, her daughter, our teacher, he, she, it, your sister, his friend, his friends, their brother, their brothers, the cat, little dog, the table, my bag第一人称:第二人称:第三人称单数:第三人称复数:2. 选择适当的词填空(1) I ______(have, has) a beautiful toy bear.(2) They _____ (have, has ) some postcards.(3) Tim ______(have, has) a new basketball.(4) My sister ________(have, has) three green skirts.(5) I _________(like, likes) playing chess.(6) He _______(like, likes) listening to the radio.(2) 否定句的结构 ①be动词:人称+Be(am,is,are)动词否定形式+其它. Be动词的否定形式肯定形式否定形式缩写形式am am not\is is not isn’tare are notaren’te.g.:I am not a boy. He isn’t happy.②行为动词:人称+助动词否定形式+行为动词(+其它)第三人称单数一般现在时的否定形式,在行为动词前加doesn’t (does not).e.g.:I gets up early. I don’t get up early. We don’t study English.★注意:一旦遇见“doesn’t” “do”这两个词时,动词必须还原。
e.g.The girl likes eating fruits very much. The girl doesn’t like eating fruits at all. Does the girl like eating fruits?★课堂巩固操练——出示图片,请学生造否定句(重复用上个环节图片,分男女2组各造两句)图片组1:Tom、clean the room图片组2:A Cat、eat fish图片组3:Mary、watch TV图片组4:My mother、work in a factory★练习—— 考考你把下面的句子改为否定形式:He is a worker ._______________________________He often play basketball ._______________________________The students are happy everyday._____________________________________I usually go to the zoo with my mother.________________________________________We spend two hours on our homework every night.__________________________________The cat looks lovely._____________________________________________They dance after school.____________________________________________(3) 一般疑问句的结构(一般疑问句读音升调)①Be动词+主语+其它? Yes,主语+Be动词. No,主语+Be not. E.g.:Are you Jim? —— Yes,I am(这里不能缩写).\No,I’m Tom. Is your father tall? —— Yes,he is.\No,he isn’t.②助动词(do\does)+主语+动词原形(+其它)? Yes,主语+do\does. No,主语+do\does not. E.g.:Do you have a story book? —— Yes,I do.\No,I don’t. Does Lily go to school by bike? Yes,she does.\No,she doesn’t.★课堂巩固操练—— 课堂现场情景句子转换师:He is in red.—— 生:Is he in red? Yes,....\No,....师:She is beautiful.—— 生:Is she beautiful? Yes,....\No,....师:She looks thin .—— 生:Does she look thin? Yes,....\No,....师:... —— 生:...师:... —— 生:...师:... —— 生:...师:... —— 生:...师:... —— 生:...③如果主语是 this that,回答时用 it 代替,如果问句中主语these, those,回答时用 they′ 代替。
e.g. Is this your bag? —— Yes ,it is.\No,it isn’t. Are those oranges? —— Yes,they are.\No,they aren’t.★课堂巩固操练—— 课堂现场情景句子转换师:This is his book.—— 生:Is this his book? Yes,it is.\No,it isn’t.师:That is a schoolbag.—— 生:Is that a schoolbag? Yes,it is.\No,it isn’t.师:This one makes me happy .—— 生:Does this one make you happy? Yes,it does.\No,it doesn’t.师:These are desks.—— 生:Are these desks?Yes,they are.\No,they aren’t.师:... —— 生:...师:... —— 生:...师:... —— 生:...师:... —— 生:... ④陈述句变一般疑问句应注意的事项 a.如果陈述句中有第一人称,则变问句时最好要变为第二人称。
e.g.:I usually have lunch at school. →Do you usually have lunch at school? My father is playing soccer. →Is your father playing soccer? b.如果陈述句中有some, 则变问句时往往要变成any e.g.:I have some friends in America. →Do you have any friends in America? ★课堂巩固操练—— 课堂现场情景句子转换师:I listen to the music every Saturday.生:Do you listen to the music every Saturday? Yes,....\No,....师:We like Tom & Jerry .生:Do you like Tom & Jerry ? Yes,....\No,....师:I know some。
