小学英语五种时态ppt课件
- 格式:ppt
- 大小:140.50 KB
- 文档页数:21
小学英语五大时态一、一般现在时:1.概念:经常、反复发生的动作或行为及现在的某种状况。
2.时间状语:always, usually, often, sometimes, every week on sunday,3.基本结构:主语+动词原形eg:I make a snowman.主语第三人称+does She goes to school on foot. 4.否定形式:主语+ don't +动词原形I don't like washing.主语第三人称+ doesn't +动词原形She doesn't like me.5.一般疑问句:Do +主语+动词原形Do you like some breadDoes+主语第三人称+动词原形Does she go to the park二、一般过去时:1.概念:过去某个时间里发生的动作或状态;过去习惯性、经常性的动作、行为。
2.时间状语:ago, yesterday, just now, at the age of 5, one day, long long ago3.基本结构:be动词+doing eg: I finished my homework yesterday.4.否定形式:didn't +动词原型I did not finish my homework yesterday.5.一般疑问句:Did +动词原型Did you finish your homework yesterday三、现在进行时:1.概念:表示现阶段或说话时正在进行的动作及行为。
2.时间状语:now, at this time, these days, etc.3.基本结构:am/is/are+doing eg: He is doing well in his lessons.4.否定形式:am/is/are+not+doing. I am not playing .5.一般疑问句:把be动词放于句首。