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英语过去式的变化精品PPT课件


A-A-A型
原形
过去式
read
read
cut
cut
put
put
let
let
cost
cost
hit
hit
set
set
hurt
hurt
过去分词
read cut put let cost hit set hurt
意思
读 切、割 放 让 值、花费 撞、击 安排 受伤
A-B-A型
原形
become come run
15
结束语
当你尽了自己的最大努力时,失败也是伟大的, 所以不要放弃,坚持就是正确的。
When You Do Your Best, Failure Is Great, So Don'T Give Up, Stick To The End 演讲人:XXXXXX 时 间:XX年XX月XX日
ring—rang swim—swam write—wrote ride—rode drive—drove draw—drew grow—grew know—knew get—got forget—forgot sweep—swept keep—kept sleep—slept
speak—spoke break—broke
3、 以“辅音字母+y”结尾的动词, 把y改成i,加 —ed,
• 如: • study—studied • try—tried • copy—copied • carry—carried
4、重读闭音节动词,双写词尾辅音字母, 再加—ed
如: stop—stopped
二、不规则变化
• is/ am—was • are—were • do—did • have has—had • go—went • meet—met • come—came • take—took • steal—stole • eat—ate
吹 知道 画 生长 飞
2.i-a-u
原形
begin drink sing swim ring
过去式
began drank sang swam rang
过去分词
begun drunk sung swum rung
意思
开始 喝 唱 游泳 打电话
写在最后
成功的基础在于好的学习习惯
The foundation of success lies in good habits
动词过去式变化规则
一、规则变化
1、 一般情况下,动词词尾加-ed
• 如: • work—worked • play—played • want—wanted • ask—asked
2、 以不发音的-e结尾动词,动词词尾加-d
•如: • live—lived • move—moved • taste—tasted
tell—told sell—sold buy—bought think—thought catch—caught teach—taught build—built can—could shall—should will—would
过去式与动词原形一样
• let—let • must—must • put—put • read—read • cost-cost
过去式
became came ran
过去分词
become come run
意思
成为 来 跑
A-B-C型 1.ow-ew-own
原形
blow know draw grow fly
ቤተ መጻሕፍቲ ባይዱ过去式
blew knew drew grew flew
过去分词
blown known drown grown flown
意思
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