2019秋外研版七年级英语上册课件：Module_6_Unit_3(共11张PPT).ppt
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 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 have 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?comesDoeslivedoes(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
