江苏省仪征市谢集中学七年级英语上册 unit2 Period 3 Grammar教案 人教新目标版.doc

period 3 grammar教学目标：1.理解行为动词一般现在时的用法。2.掌握行为动词一般现在时的肯定句、否定句、疑问句及其肯定和否定的基本用法。3.结合本单元话题，用一般现在时进行交际。教学内容四会内容：词汇：drawing weekend shop词组：at / on weekends=at / on the weekend of course句型：i /you/we/they like sports. he/she/it likes sports. i/you/we/they do not /dont like sports. he /she/ it does not /doesnt like sports. do i / you/ we/ they like sports ? yes, you / i / we /they do. no, you/ i/ we / they dont. does he / she / it like sports ? yes, he /she/ it does. no, he/ she/ it doesnt.教学步骤：step 1: free talk (revising simple present tense of the verb “to be”)t: how old are you?s: i am 13/ 14.t: is your father/mother a teacher/ a worker.s: yes/ no. (he/she is a )t: how many people are there in your family? s: there are three/ four.通过free talk , 在ppt上呈现句子复习be动词的一般现在时，可以用口诀的形式表述出来：我（i）是am,你（you）是are, is留给她（she）, 他（he）, 它（it）,两个以上都用are。step 2: presentation now i have known sth. about you. do you want to know sth. about me? ppt呈现: i live in a flat. i have a pet at home. i go to work by bus. i watch tv at weekends. i do the housework every evening. 观察以上句子，我们称黑体部分的单词为实义动词。step 3: simple present tense of the verb to do 一用法: 经常做的事 事实或真理 现在的状态二构成：根据主语的人称和数的不同，实义动词的一般现在时有两种形式。1. 当主语是第一人称、第二人称、第三人称复数时谓语动词以动词原形构成。i _(like) red. you _(have) breakfast at 7 a.m. they _(play) football every week. 否定句的构成 do not= dont 将以上句子改为否定句。 i dont like red. you dont have breakfast at 7 a.m. they dont play football every week.仔细观察，他们是如何变成否定句的？当主语是第一，第二或第三人称复数时，其否定形式借助于do not= dont来否定。一般疑问句的构成 -do.? -yes, do. / no, dont. 将以上句子改为一般疑问句，并作肯定或否定回答。do you like red? yes, i do. do you have breakfast at 7 a.m.? no, i dont. do they play football every week? yes, they do. 当主语是第一，第二或第三人称复数时，是如何来提问的？借助于do来提问。2. 当主语为第三人称单数时谓语动词用三单现形式。 you have known sth. about me. now can you tell your partner about these?you can begin with “she.”she lives in a flat. she has a pet at home. she goes to work by bus. she watches tv at weekends. she does the housework every evening. 动词的三单现变化规则如下：（1）.一般情况加-s,（2）以s,x,sh,ch结尾的动词，加-es. （3）以辅音字母+y结尾的动词，变y为i再加-es. (4) 以o 结尾的动词加-es(5) have 变成has当主语是第三人称单数（he, she, it）时，其否定句要借助于does not/ doesnt，后面的动词用原形。特别要注意doesnt的拼写。当主语是第三人称单数时，借助于does来提问，后面的动词用原形。step 4: practiceturn to p24, finish part a, part b and part c. then check the answers. step 5: exercise5)exercises:1).her daughter (not like) bread (和)milk.2).jill (not be) sad.3).where he ?a. does, from b. is , from c. does, come from d. band c4).my father (not be)at home now.5).daniel always (play) computer games.6).my mother (not watch) our games, but sometimes my father (go) (watch)them.7).my cousin sometimes flies a kite with me in the afternoon.(改为一般疑问句) y