一般现在时的变化
否定句:主语+don't(doesn't)+动词原形(+其它)。如:I don't like bread.He doesn't like bread,too.
一般疑问句:Do(Does)+主语+动词原形+其它。如:Do yogo to school by bike?Yes,I do./No,I don't.
当主语为第三人称单数时,要用does构成一般疑问句。如:Does she go to school by bike?Yes,she does./No,she doesn't.
特殊疑问句:特殊疑问词+一般疑问句。如:How doyogo to school?How does your father go to work?
动词的第三人称单数的变化规则
1.一般情况下,直接加-s,如:cook-cooks,make-makes
2.以s.x.sh.ch.o结尾,加-es,如:wash-washes,watch-watches,go-goes
3.以“辅音字母+y”结尾,变y为i,再加-es,如:study-studies但play-plays
不规则变化
have-has
三、现在进行时
1.现在进行时表示现在正在进行或发生的动作。
2.现在进行时的肯定句
基本结构:主语+be+动词ing.如:I am eating.
现在进行时的否定句
基本结构:主语+be not+动词ing.如:I am not eating.
现在进行时的一般疑问句
基本结构:be动词+主语+动词ing.如:Are yoeating?
现在进行时的特殊疑问句
基本结构:特殊疑问词+be+主语+动词ing?
如:What are yoeating?
动词的ing形式(动词的现在分词)的变化规则
1一般情况下直接在动词后面加ing
read--reading sleep---sleeping study---studying clean--cleaning play---playing
2以不发音的字母e结尾的动词,去掉字母e,再加ing
come---coming make---making ride---riding have---having take---taking
write---writing dance---dancing
3以重读闭音节(重读闭音节即两个辅音中间夹一个元音并且重读的音节)结尾,呈现“辅,元,辅”结构的动词,双写末尾的辅音字母,再加ing
stop--stopping停sit--sitting坐run--running跑begin—beginning开始