2022年中考时态复习：一般现在时梳理ppt课件.pptx

1、一般现在时一般现在时一.定义二.动词形态三.动词三单变化规则四.基本用法五.结构及句型转换一.定义表示经常性或习惯性动作或存在的状态例：He always goes to school at 7 oclock.We often have lunch at 12 oclock.Peter likes playing basketball at weekends.My uncle is a teacher.动词形态1.表状态时，谓语动词使用be动词（am/is/are)。例：Lily is my best friend.2.表动作时，当主语为非三单，谓语使用动词原形。例：We have six c

2、lasses every day.3.表动作时，当主语为三单，谓语使用动词三单形式。例：Anne often gets up at 6:30.练一练1.Jack Chinese food very much.A.likes B.liking C.like2.I a student.A.is B.am C.are3.We with you.A.agree B.is agree C.agrees二.动词第三人称单数的变化规则1.一般情况，在动词后加-s。如：read-reads例：Lingling likes playing the violin.2.以s,x,ch,sh,o的结尾的动词，加-es

3、。如：teach-teaches,wash-washes,guess-guesses例：Miss Li teaches us English.二.动词第三人称单数的变化规则3.以辅音音素+y结尾动词，变y为i再加-es。如：try-tries carry-carries例：My sister tries to say English well.4.have-has例：Peter has an English book.练一练写出下列动词的三人称单数形式：1.go()2.have()3.study()4.work()5.catch()6.ask()7.do()8.finish()9.buy()三

4、.基本用法 1.表示事物的性质与特征以及经常性的行为，与always,often,usually,sometimes,every.等词连用。例：I often get up early.2.表示客观事实和普遍真理。例：The earth is round.四.结构及句型转换 1.be动词型肯定句:主语+be(am/is/are)+其他.例：Lily is a student.否定句:主语+be(am/is/are)+not+其他.例：Lily isnt a student.一般疑问句：Be(Am/Is/Are)+主语+其他？例：Is Lily a student?特殊疑问句：特殊疑问词+be(

5、am/is/are)+主语+其他？例：What is Lily?四.结构及句型转换 1.实义动词型（三单）：肯定句:主语+动词三单+其他.例：Peter likes playing basketball.否定句:主语+doesnt+动词原形+其他.例：Peter doesnt like playing basketball.一般疑问句：Does+主语+动词原形+其他？例：Does Peter like playing basketball?特殊疑问句：特殊疑问词+does+主语+动词原形+其他？例：What does Peter like to do?四.结构及句型转换 1.实义动词型（非三单

6、）：肯定句:主语+动词原形+其他.例：My parents work in a school.否定句:主语+dont+动词原形+其他.例：My parents dont work in a school.一般疑问句：Do+主语+动词原形+其他？例：Do your parents work in a school?特殊疑问句：特殊疑问词+do+主语+动词原形+其他？例：Where do your parents work?综合练习用所给单词的正确形式填空：1.We often (play)on the playground.2.you (brush)your teeth every morning?3.The earth (move)around the sun.4.Mr.Wang (go)to Shanghai.5.What time his mother (do)housework?6.He often (have)dinner at home.