初中英语语法中的一般现在时ppt课件

初中英语语法中的一般现在时初中英语语法中的一般现在时一般现在时是英语中应用最广泛的一般现在时是英语中应用最广泛的时态之一，是初中英语语法重点。时态之一，是初中英语语法重点。初中英语语法中的一般现在时一般现在时是英语中应用最广泛的时态1它表示它表示 1)经常性、习惯性的动作或存在的状态。e.g.I go to school on foot.He is very busy now.它表示I go to school on foot.He i22)表示主语的特征、性格、能力、爱好等。e.g.He can swim.I work hard.I like watching TV.2)表示主语的特征、性格、能力、爱好等。33)表示客观真理 e.g.There are seven days in a week.The moon moves round the earth.3)表示客观真理 4其时间状语为often、usually、always、sometimes等频率副词，on Saturdays、in the morning(afternoon,evening)、every day 等。其时间状语为often、usually、always、51)表示动作，一般人称作主语的，变否定句须在动词前加助动词dont;变一般疑问句须在句首加助动词do。2)三单人称做主语的，变否定句须在动词前加助动词doesnt;变一般疑问句须在句首加助动词does。They dont have lunch at 12:00.Do they have lunch at 12:00?e.g.They have lunch at 12:00.e.g.Jenny speaks English very well.Jenny doesnt speak English very well.Does Jenny speak English very well?1)表示动作，一般人称作主语的，变否定句须在动词前加助动词d6含有含有be动词的要在动词的要在be上做变化上做变化.Danny is a good student.Danny isnt a good student.Is Danny a good student?含有be动词的要在be上做变化.Danny is a go7学生常见错误如下：学生常见错误如下：一、一、be动词与行为动词同时动词与行为动词同时出现在句子中出现在句子中三、在句式变换时易出错三、在句式变换时易出错四、对四、对do的理解易出错的理解易出错五、对主语的数判断有误五、对主语的数判断有误二、单三人称形式易出错二、单三人称形式易出错学生常见错误如下：一、be动词与行为动词同时出现在句子中三、8一、一、be动词与行为动词同时出现在动词与行为动词同时出现在句子中句子中一、be动词与行为动词同时出现在句子中9(一)、单选1 Jenny _ in an office.Her parents _in a hospital.A work;works B works;work C work;are working D is working;work2 One of the boys_ a black hat.A have B there is C there are D has3 We will go shopping if it_ tomorrow.A dont rain Bdidnt rain Cdoesnt rain Disnt rain4 He said the sun _in the east and _in the west.A rose;set B rises;sets C rises,set D rise;sets5 Wang Mei _ music and often _ to music.A like;listen B likes;listens C like;are listening D liking;listen6 Jenny_ English every evening.A has study B studies C study D studiedBDCBBB(一)、单选BDCBBB10(二)、填空1 I can take Li Ming there when he _(come)to visit.2 _your sister_(know)English?3Her home_ _ _(远离)her school.4The pot (not look)like yours very much.5 Where _you _ (have)lunch every day?6 Who _(想要)to go swimming?7 _she_(do)the housework every day?8 Jenny and Danny usually_(play)games in the esDoes knowis away from doesnt lookdohavewantsDoesdoplay(二)、填空comesDoes knowis away111、He plaies(play)football very well.以辅音字母加以辅音字母加y结尾的动词变单三人称形式结尾的动词变单三人称形式才能把才能把y换成换成i再加再加es;与名词变复数不同，变单三人称形式以与名词变复数不同，变单三人称形式以o结结尾的词要加尾的词要加es.2、Danny gos (go)to school at 7:10.二、单三人称形式易出错二、单三人称形式易出错goesplays1、He plaies(play)football 12一般现在时第三人称单数的构成规则变化一般情况下直接+s work-works ask-asks see-sees以s,x,ch,sh,o 结尾+es watch-watches go-goes do-does wash-washes以辅音字母+y结尾，变y为i加es try-tries study-studies fly-flies不规则变化 have-has一般现在时第三人称单数的构成规则变化13给出下列单词的第三人称单数形式 play go hurry teach buy see wash walk miss watch come say给出下列单词的第三人称单数形式14三、在句式变换时易出错三、在句式变换时易出错Does Jenny has (has)a good friend?Brian doesnt lives (not live)in China.单三人称做主语的一般现在时做句单三人称做主语的一般现在时做句式变化时，可记住如下口诀：式变化时，可记住如下口诀：“见见助动，用原形助动，用原形”。此口诀也可推广。此口诀也可推广用于一般过去时态中。用于一般过去时态中。e.g.He didnt go home yesterday.havelive三、在句式变换时易出错Does Jenny has 15四、对四、对do的理解易出错的理解易出错We dont (not do)our homework in the afternoon.do是一个比较难理解的词，它有三个含义是一个比较难理解的词，它有三个含义:a)是所有行为动词的总称是所有行为动词的总称;b)是助动词，无实义是助动词，无实义;c)是一个具体的行为动词是一个具体的行为动词“做，干做，干”。此句中。此句中给出的给出的do指指“做，干做，干”，not指把此句变为否定指把此句变为否定句，故须在句，故须在do前加助动词前加助动词dont。dont do四、对do的理解易出错We dont (16五、对主语的数判断有误五、对主语的数判断有误Li Ming with me are(be)in Beijing.表面表面一看是一看是“我和李明两个人在北京我和李明两个人在北京”，但，但with在此做伴随状语，不能做主语，在此做伴随状语，不能做主语，故用故用is.isLi Ming with me are in Beijing.and五、对主语的数判断有误Li Ming with me ar17用括号中所给词的适当形式填空，1The buses _(need)a lot of oil.2Each of us _(have)strong points and weak points.3My daughter_(watch)TV every day.Sometimes she _ _(see)a film on Sunday.4Li Wei_(have)a daughter.She _ in a nursery.5Our family _(be)a happy one.6Her mother _(teach)English at a middle school.7Jack often _(listen)to the radio.用括号中所给词的适当形式填空，1The buses _18将下列句子变成否定式和一般疑问句 1Her name is Mei Ling.2We go to evening school at night.3My brother works in a radio factory.4You have a red pencil.5She has lunch at home.6We have a meeting once a week.将下列句子变成否定式和一般疑问句 1Her name is19单项选择1.The Browns _ a nice car and Browns brother _ a nice jeep.A.have have B.has has C.have has D.has have2.If their house _ not like ours,what_ it look like?A.is is B.is does C.does does D.does is3.-_ you think he will come?-If it _ tomorrow he will not come.A.Do rains B.Are rains C.Do will rain D.Are will rain4.The little child _ not even know that the moon _ around the earth.A.do move B.do moves C.does moves D.did moved 单项选择1.The Browns _ a nice c20