1、动词的时态 初中英语语法初中英语语法 一般现在时:Present Simple 概念:表示习惯、经常性的动作 结构:do、does 标志语：usually、often、never、sometimes、once a week、twice a month、every year 一般现在时-句型变换 1)表示动作，一般人称作主语的，变否定句须在动词前加助动词dont。2)单三人称做主语的，变否定句须在动词前加助动词doesnt。一般现在时 句型变换 变 否定句 变 一般疑问句 变 特殊疑问句 1)表示动作，一般人称作主语的，变一般疑问句须在句首加助动词do。2)单三人称做主语的，变一般疑问句须在句首
2、加助动词does。1)表示动作，一般人称作主语的，变特殊疑问句句首须使用助动词does 2)单三人称做主语的，变特殊疑问句句首须使用助动词does。注意：含有be动词的句式要在be上做变化.一般现在时一般现在时-句型变化句型变化?一般疑问句的句式变化可分为两种情况：?1)表示动作，一般人称作主语的作主语的?变否定句须在动词前加助动词dont；?变一般疑问句须在句首加助动词do。?例如：They have lunch at 12:00.陈述句?They dont have lunch at 12:00.否定句?Do they have lunch at 12:00?一般疑问句?一般现在时一般现在
3、时-句型变化句型变化?2）三单人称做主语的?变否定句须在动词前加助动词doesnt；?变一般疑问句须在句首加助动词does。?例如：Jenny speaks English very well.陈述句 Jenny doesnt speak English very well.否定句 Does Jenny speak English very well?一般疑问句 一般现在时-句型变化?3）含有be动词的要在be上做变化.Danny is a good student.陈述句?Danny isnt a good student.否定句?Is Danny a good student?一般疑问句?
4、其时间状语为often（经常）、usually（通常）、always（总是）、sometimes（有时）等频率副词，on Saturdays（在星期六）、in the morning(afternoon evening)（在早上（下午 晚上）、every day（每天）等。1.The twins _(wash)the clothes every day.2.Sometimes he _(play)basketball over there.3.How often _ Sally _(sing)?wash plays does sing 专项练习?1 I can take Li Ming the
5、re when he _ (come)to visit.?2 _your sister_(know)English?3 Her home_ _ _(远离)her school.?4 The pot_(not look)like yours very much.?5 Where _you_(have)lunch every day?6 Who_(想要)to go swimming?7 _she_(do)the housework every day?8 Jenny and Danny usually_(play)games in the afternoon.一般过去时:Past Simple 概
6、念:表示过去发生的动作 结构:did 标志语：yesterday、.ago、in 1992、last week/month 动词-ed形式的构成：在动词后加-ed 以字母e 结尾的动词，只+d“辅音字母+y”，变y 为i,再+ed 重读闭音节以一个辅音字母结尾的，双写+ed want answer move die carr y cry stop plan wanted moved died carr ied cried stopped planned answered got drank took went swam ate cut were had did came said saw pu
7、t get take go swim eat drink are have do come cut put say see 1.The twins _(wash)the clothes yesterday.2.The day before yesterday he _(play)basketball over there.3._ Sally _(sing)two hours ago?washed played Did sing 现在进行时现在进行时:Present Progressive 概念:表示现在正在发生的动作 结构:be(is,am,are)+doing 标志语：Look!、Liste
8、n!、now 一般在动词原形后+ing 以不发音的e结尾的，去e，+ing 重读闭音节以一个辅音字母结尾的，双写这一字母+ing 动词-ing形式的构成：writing taking getting running swimming going go ask write take get run swim asking 1.The twins _(wash)the clothes now.2.Look!He _(play)basketball over there.3.Listen!_ Sally _(sing)?are washing is playing Is singing 过去进行时过
9、去进行时:Past Progressive 概念:表示过去正在发生的动作 结构:be(was，were)+doing 标志语：at 8:00 yesterday、when、while、现在完成时:Present Perfect 概念:表示已经发生的动作 结构:has done、have done 标志语：already、yet、ever、never、since、for、get go eat are do cut say got gotten went gone ate eaten cut cut were been did done said said take swim drink have
10、 come put see took taken swam swum drank drunk put put had had came come saw seen 1.The twins _(wash)the clothes for an hour.2.He _(play)basketball since three years ago.3.How long _ Sally _(sing)yet?have washed has played has sung 过去完成时:Past Perfect 概念:表示将要发生的动作 结构:had done 标志语：by the time,或主句为 一般过
11、去时的宾语从句中 一般将来时:Future Simple 概念:表示将要发生的动作 结构:will do、shall do、be(is、am、are)going to do 标志语：tomorrow、in.、next 过去将来时:Past Future Simple 概念:表示过去将要发生的动作 结构:would do be(was、were)going to do 标志语：常用于主句是一般过去 时的宾语从句中 1.2.3.4.5.get,got,will get was reading is knocking does surf have been 6.7.8.9.10.have heard went would put Did happen was doing 11.12.13.14.15.doesnt rain,will go Do play wont call has worked walked,had started is comes is drawing moved didnt have used has studies will visit Composition:I（你的过去、现在和将来）Write an article about yourself,tell us your past、your present and your future.
