1、七年级上册外研版（英语）一般现在时（二）一般现在时（二）行为动词的一般现在时（第三人称单数形式）行为动词的一般现在时（第三人称单数形式）要点一要点一：当主语是第三人称单数的时候,作为谓语的行为动词,词尾要加-s或-es，其规律为：（1)直接在动词后加-s。如：read reads write writes say says（2)以s,x,o,ch,sh结尾的词加-es。如：teach teaches wash washes guess guesses（3)以辅音字母+y结尾的词变y为i再加-es。如：try tries carry carries（4)辅音字母+o结尾的词，加-es。如：go
2、goes do does（5)特殊变化的词。如：be is have has 语法导学要点二要点二：当主语是第三人称单数的时候,一般现在时的否定形式是在行为动词的前面加doesnt或does not,这时要注意把谓语动词还原为动词原形。如：Peter has breakfast every day.Peter doesnt have breakfast every day.Paul plays basketball on Wednesday.Paul doesnt play basketball on Wednesday.主语是第三人称单数的一般现在时的疑问式是在句首加助动词does,后面的谓
3、语动词还原为动词原形。其肯定与否定回答用Yes,does./No,doesnt。如：Does he have breakfast every day？Yes,he does./No,he doesnt.语法导学Does he play basketball on Wednesday？Yes,he does./No,he doesnt.行为动词第三人称单数的各种句式及回答总结如下：语法导学肯定句否定句否定句一般疑问句一般疑问句回答回答Peter has breakfast every day.Peter doesnt have breakfast every day.Does Peter hav
4、e breakfast every day？Yes,he does./No,he doesnt.She lives in the city.She doesnt live in the city.Does she live in the city？Yes,she does./No,she doesnt.1.写出下列动词的第三人称单数形式。写出下列动词的第三人称单数形式。（1）come _（2）wash _（3）enjoy _（4）study _（5）play _（6）watch _ （7）have _（8）do _comeswashesenjoysstudiesplayswatches即学即练
5、hasdoes2.句型转换句型转换(1)The panda likes bamboo.否定句：_一般疑问句：_肯定回答：_(2)They often watch football matches on Saturday.否定句：_ _一般疑问句：_ _即学即练The panda doesnt like bamboo.Does the panda like bamboo？Yes,it does.They dont often watch football matches on Saturday.Do they often watch football matches on Saturday？否定
6、回答：_(3)My mother listens to the radio.否定句：_一般疑问句：_否定回答：_3.用所给动词的适当形式填空。用所给动词的适当形式填空。(1)The panda _(like)bamboo.(2)Lily _(come)from New York.(3)_ the tiger _(live)in Asia?Yes,it _(do).即学即练No,they dont.My mother doesnt listen to the radio.likesNo,she doesnt.Does your mother listen to the radio?comesDo
7、eslivedoes(4)The keeper(饲养员)_(give)the lion ten kilos of meat a day.(5)What _ the giraffe _(eat)?(6)The little girl _(not know)him.(7)He _(study)Chinese every evening.(8)Their daughter _(wash)clothes every day.(9)Lucy usually _(have)lunch at school.(10)The boy _(not do)his homework on weekends.即学即练studiesdoeseatdoesnt knowgiveswasheshasdoesnt do
