一般过去时
Learning objectives 学习目标

Keys and difficulties 重点、难点
1.用法
一般过去时表示过去发生的动作或存在的状态,或过去一段时间内经常性或习惯性的动作。
2.结构
一般过去时用动词的过去式表示。


3.与一般过去时连用的时间状语
last night, yesterday, some years ago, in 2015, in the past, just now等。
Simple past tense 一般过去时
【定义】表示在的过去某个时间里所发生的动作或存在的状态
【句型】
(1)在表示某个时间里存在的状态的句子,系动词用过式was,were构成。
Eg:I was at home yesterday.
(2)在表示过去某个时间里发生的动作,用动词的过去式构成。
Eg:I visited my uncle yesterday
【句式】
肯定句:主语 + 动词过去式 + 宾语或表语
He worked in Shanghai ten years ago.
He was an English teacher ten years ago.
否定句:
(1)主语 + didn’t + 动词原形 + 宾语
He didn't do morning exercises yesterday.
(2)主语 + wasn’t/weren’t +表语。
He wasn't an English teacher ten years ago.
一般疑问句:
(1)Did + 主语 + 动词原形 + 宾语
Did you study English in 1990 ?
(2)Was/Were + 主语 + 表语
Was he a pupil five years ago ?
特殊疑问句:
(1)特殊疑问词 + did + 主语 + 动词原形 + 宾语?
Where did your parents live five years ago?
(2)特殊疑问词 + were/was + 表语?
Who was at the zoo yesterday?
【过去式变化】
⑴ 一般情况直接在词尾加+ ed, 如:cook-cooked wash-washed
⑵ 以不发音的e 结尾的动词,在词尾+ d 如:like-liked live-lived
⑶ 以重读闭音节结尾的动词,双写最后一个字母再在词尾+ed 如:stop-stopped shop-shopped plan-planned
⑷ 以辅音字母+y 结尾的动词,要改y 为 i 再加 ed 如:study-studied carry- carried
【不规则变化】
1、改变动词中的元音:begin→began drink→drank come→came eat→ate grow→grew run→ran know→knew win→won speak→spoke take→took write→wrote get→got
2、变词尾的–d 为t :build→built lend→lent send→sent spend→spent bend→bent
3、与动词原形一样:cut→cut put→put cost→cost hurt→hurt shut→shut
4、变-ay 为-aid (少数动词):say→said pay→paid lay→laid
5、采用不同词根:sell→sold teach→taught buy→bought
6、其他。如:am/is→was are→were have/has→had do→did