一般现在时态现在时态

1、一般现在时态一、定义与讲解一般现在时：表示经常性的事情，经常性的动作或一般性事实。时间状语：often经常，usually通常，always总是，every每个，sometimes 有时，at 在几点钟只有在第三人称单数用动词的三单变化”，其他用动词的原形。三单变化：1.多数在动词后 +s play plays like likes(1)直接在动词词尾加-s.ask-asks work-works get-gets stay-stays以字母s, x, ch, sh或o结尾的动词，在词尾直接加-es.watch-watches wish-wishes fix-fixesdo-does go-g

2、oes pass-passes以 辅音字母加-y”结尾的动词，要先变y为i再加-es.try-tries study-studies cry-cries fly-flies2.不规贝U变化 ：be- is are have-has主语是第三人称的情况有1、人称代词是和，she,it的时候谓语动词用单三形式He likes watching TV。2、单个人名，地名或者称呼做主语的时候谓语动词用单三形式Lucy likes apples. Beijing is in China . Uncle Wang often drinks milk .3、单数可数名词或者this/that +单数名词作主

3、语时谓语动词用单三形式This book is yours .4、不定代词 someone ,somebody nobody,everything,somethin筹以及指示代词 this和that做主语的时候谓语动词用单三形式Everyone is here This is a pen .5、不可数名词做主语的时候谓语动词用单三形式The milk is in the glasso The bread is very small6、当数字和字幕做主语的时候谓语动词用单三形式“6" is a lucky number . "I" is a letter.二、一般现

4、在时用法1 .表示经常性，习惯性，永久性的动作或存在的状态.通常与副词sometimes, oftenusually, always, every day (year, month ), once (twice, three times) a day1 时问状语连用。They usually go to school by bike.I take the medicine three times a day.She helps her mother once a week.Mary' s father is a policeman.There are 50 students in my

5、 class.2 .表示客观真理，科学原理，自然现象，等客观事实或格言，谚语等。The sun rises in the east and sets in the west every day.The man who has never been to the Great Wall is not a real man.Tomorrow is Tuesday.三、一般现在时的句子转换：(1)当句子中有be动词或情态动词时，则把 be动词或情态动词(can,could等等) 提到主语的前面变成疑问句；在be动词或情态动词后面加not变成否定句.例：陈述句：She is a student.疑问句

6、一 Is she a student?否定句She is not a student.陈述旬：I can swim. 疑问句Can you swim 否定旬I can not swim.(2)当句子中即没有be动词，也没有情态动词时，则在主语前加助动词do (you,以及复数),does件数she,he,it应成问句；在主语后谓语动词前加助动词don' t(I,yoiuZ及复数),doesn单魏she,he,it应成否定句，助动词后的动词要变成 动词原形。例： 陈述句： We get up at 7:00 every morning.疑问旬Do you get up at 7:00 e

7、very morning?否定句-We dod t get up at 7:00 every morning.陈述句：She has a little brother.疑问句Does she have a little brother?否定句She doesn ' t have a little brother1 .We often(play) in the playgound.2 .He(get) up at six o ' clock.3 .you(brush) your teeth every morning.4 .What (do)he usually (do)afte

8、r school?5 .Danny(study) English,Chinese,Maths,Science and Art an school.6 .Mike sometimes(go) to the park with his sister.7 .At eight at night,she(watch) TV with his parents.8 .Mike(read) English every day?9 .How many lessons your classmate(have) on Monday?10 .What time his mother(do) the housework

9、?改句子11 Do you often play football after school?(肯定回答)2.I have many books.(改为否定句)3.Gao Shan' s sister likes playing table tennis (改为否定句)4.She lives in a small town near New York.(改为一般疑问句)1.1 watch TV every day.(改为一般疑问句)6 .David has got a goal.(改为一般疑问句)7 .We have four lessons.(否定句)8 .Nancy doesn' t run fast (肯定句)9 .My dog runs fast.否定句：一般疑问句：10 .Mike has two letters for him.一般疑问句：否定句：11 .I usually play football on Friday afternoon.否定句：一般疑问句：划线提问12 .Su Yang usually washes