内容正文:
小升初英语语法专项:一般过去时
1. 定义:
表示过去某个时间发生的动作或存在的状态,也可表示过去经常或反复发生的动作。
二.标志词:
yesterday,last+时间段(如:last week,last Friday,last night)the day before yesterday(前天),just now(刚才),once upon a time,时间段+ago(a moment ago:刚才,long long ago很久很久以前),in 1997,at the age of...
三.句子基本结构
1.Be动词的一般过去时
在没有实义动词的句子中使用be动词, am is 的过去式为was; are的过去式为were
肯定句式:主语 + be(was , were) + 其它.
否定句式:主语 + be(was , were) + no/wasn’t + 其它.
一般疑问句:Be(was , were) + 主语 + 其它?
注:在这种构成中,be动词有人称和数的变化,即要根据主语选用was / were。Be动词分为单数和复数,was是表示单数,were是表示复数。
如:
肯定句式:I was late for school last Friday.
否定句式:I was not late for school last Friday.
一般疑问句:Was you late for school last Friday?
肯定回答:Yes,I was. 否定回答:No I
2.实义动词的一般过去时态
肯定句要使用动词的过去式,否定句和疑问句要使用助动词do和 does 的过去式 did.
肯定句式:主语 + 动词(过去式)+ 其它
否定句式:主语 + didn’t + 动词(原形)+ 其它 【did not = didn’t】
一般疑问句:Did + 主语+ 动词(原形)+ 其它【do , does的过去时均为did】?
如:
肯定句:I went to the library with my father yesterday.
否定句:I didn’t go to the library with my father yesterday.
一般疑问句:Did you go to the library with my father yesterday?
肯定回答:Yes,I was. 否定回答:No I was not/wasn’t.
3情态动词的一般过去时态
情态动词的过去式:can→could , may→might , must→must ,will-would,should-should
特殊疑问句式:特殊疑问词+be过去式+主语+其他?
特殊疑问词+情态助动词过去式+主语+动词原形+其他?
特殊疑问词+do/does过去式+主语+动词原形+其他?
特殊疑问词:what、who、whose、which、when、where、how、why等
What was your former name?
你以前叫什么名字?
Why was he late for school last Monday?
上星期一他为什么迟到?
What could she do twenty years ago?
20年前她能做什么?
四.动词过去式的变化规则
1.一般情况下,直接加ed
work—— worked
look——looked
walk——walked
2.以e结尾的单词,直接加d
live ——lived
hope——hoped
use——used
3.以辅音字母+y结尾的,变y为i加ed
study——studied
carry——carried
4.以元音字母+y结尾的,直接加ed
enjoy ——enjoyed
play——played
5.以重读、一个辅音字母结尾的闭音节结尾的动词,双写最后的辅音字母+ed
stop—— stopped
plan——planned
prefer——preferred
同步练习
一、写出下列动词的过去式
is\am_________ fly_______ plant________ are ________ drink______
play_______ go________ make ________ does_________ dance____
worry________ ask _____ taste_________ eat__________ draw______
put ______ throw________ kick_________ pa