一般现在时现在进行时一般过去时课件.ppt

关于一般现在时现在进行时一般过去时
现在学****的是第1页，共71页
表示经常或者反复发生的动作
一般现在时:Present Simple
often（经常） sometimes（有时）
always（总是的是第7页，共71页
Do you know?
第一人称和第二人称的一般现在时，其谓语动词没有形式的变化，
其否定形式一般是在谓语动词前 don’t,一般疑问句在句前加do
但当主语是第三人称单数时，谓语动词形式有变化，一般在动词
末尾加s，否定句在行为动词前加doesn’t， 一般疑问句在句前加
does
动词三单的变化：
1、一般动词后加s，如：reads,plays,works,makes
2、以 s,x,ch,sh, 结尾，后加es. 如：watches,
3、以辅音字母加o结尾,一般加es ,如：does,goes
4、辅音字母+y结尾的单词,去y,加ies,如：worries
studies
现在学****的是第8页，共71页
Let’s correct:
I goes to school at six every day.
He don’t like playing football.
3. They likes playing games.
4. Daming watchs TV in the evening.
5. Does he usually has a party?
6. What do they on Sunday?
7. Tony goes always to school at eight o’clock.
8. What they eat in the party?
9. Lily haves lunch at school.
10. What do his parents usually gives him ?
现在学****的是第9页，共71页
I cleaned the room yesterday.
I did some cleaning yesterday.
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表示过去发生的动作或存在的状态
一般过去时:Past Simple
构成:系动词be的过去时
She was at home yesterday.
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行为动词的一般过去时:
陈述句：主语+动词过去式+其它
She did homework yesterday .
否定句：主语+助动词didn’t+动词原形+其它
She didn’t do homework yesterday.
一般疑问句：Did +主语+动词原形+其它
Did she do homework yesterday?
Yes,she did./No,she didn’t.
现在学****的是第12页，共71页
常用时间
常与一般过去时态连用的时间有：
yesterday
yesterday morning (afternoon, evening…)
last night (week, month, year…)
two days ago, a week ago, three years ago…
in 1990, (in 1998…)
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规则动词的过去式变化规则
变化规则
例词
一般在词尾加—ed
play→played
以不发音的e结尾的，只加--d
like →liked
love →loved
以辅音字母+y 结尾的，变y为i ,再加—ed
study →studied
carry →carried
以一个辅音字母结尾的重读闭音节，先双写这个辅音字母，再加-ed
stop →stopped
plan →planned
现在学****的是第14页，共71页
句型转换：
1 Mr Li invited her to the party.（改为一般疑问句）
Mr Li her to the party?
2 They asked the teacher a question.（改为否定句）
They the teacher a question.
3 Tom watched TV for two hours.(对画线部分提问）