谁帮我回答出这些动词的过去式!

来源:百度知道 编辑:UC知道 时间:2024/09/23 05:09:06
put____ cut____ hit read let beat hurt cost 有啥规律?
keep sleep sweep 有啥规律?
teach catch 有啥规律?
bring buy think 有啥规律?
begin drink ring singswim sit 有啥规律?
lend send spend build 有啥规律?
sell tell 有啥规律?
say pay 有啥规律?
meet feed 有啥规律?
grow know throw fly 有啥规律?

put____ cut____ hit read let beat hurt cost这几个的动词过去式及过去分词都不变,例如put-put-put cut-cut-cut等
keep sleep sweep 这几个词的过去式和过去分词都是将最后的ep改成pt例如
keep-kept-kept
teach catch这两个就是把首字母后的字母改成aught。如teach-taught-taught
bring buy think这几个就是以ought结尾的。例如bring-brought-brought
begin drink ring singswim sit这几个,额,应该说和读音有规律,他们都是单词中的I变成a、u,例如drink-drank-drunk
end send spend build 这几个是把最后的d改成t
sell tell这两个是用old结尾的,如sell-sold-sold
say pay这两个使用 aid结尾,如say-said-said
meet feed 把中间的两个字母去掉一个就是过去式了,meet-met-met
grow know throw fly 过去分词在后面加n,但是fly不一样,他是fly-flow-flown,过去式除fly外可以直接加ed