文档介绍:一般过去时(语法)
一般过去时
一.意义:表示过去某个时间发生的事情或存在的状态. 常和一般过去时态连用的时间有:
yesterday, yesterday morning (afternoon, evening…) last一般过去时(语法)
一般过去时
一.意义:表示过去某个时间发生的事情或存在的状态. 常和一般过去时态连用的时间有:
yesterday, yesterday morning (afternoon, evening…) last night (week, month, year…),
a moment ago , a week ago, three years ago… just now,
二.构成及变化
1. Be动词在一般过去时中的变化:
am 和is在一般过去时中变为was。(was not=wasn’t)
are在一般过去时中变为were。(were not=weren’t)
带有was或were的句子,其否认、疑问的变化和is, am, are一样,即否认句在was或were后加not,一般疑问句把was或were调到句首。
肯定句 : 主语 + 动词的过去式 . I watched a film last Sunday .
否认句 : 主语+ didn’t + 动词原形. I didn’t watch a film last Sunday .
一般疑问句:Did + 主语 + 动词原形 ?
Did you watch a film last Sunday ? Yes, I did . No , I didn’t .
特殊疑问句:疑问词+ 以did 开头的一般疑问句 ? What did you do last Sunday ?
三. 动词过去式变化规那么:
1.       规那么动词的过去式
(1)一般在动词原形末尾加– ed helped ,looked , played , worked , listened……
(2)结尾是辅音字母+不发音的e,加 – d
lived hoped use---used like --- liked tasted loved closed
(3)双写末尾的字母,再加—ed stop---stopped plan---planned
(4)结尾是辅音字母+y , 先变“y”为“i”,再加—ed
study---studied carry ---carried cry --- cried try---tried
2.       动词过去式的读音规那么
(1)在轻辅音后加ed读轻辅音/t/ asked cooked worked looked talked picked
watched passed jumped helped surfed
(2)在浊辅音及元音后加ed读浊辅音/d/
lived listened closed opened
stayed water