动词的三单形式、现在分词、过去式、过去分词的变化规律

XX形式现在分词过去式主语是第三人称单数形式时，动词的变化

动词的ing形式构成法

动词的过去式的构成法

规则动词词尾加-ed有三种读音：

1. 在清辅音后读作［t］。如：asked, helped, watched, stopped

2在浊辅音和元音后读作［d］。如：enjoyed, studied, moved, called

3.在t / d 后读作［id］。如：wanted, needed

不规则动词的过去式见课本后的不规则动词表。大体上归纳有以下几条记忆法：

1. 以t结尾的词，过去式与原形相同。

女口：put ——put, let ——let, cut ——cut, beat ——beat，cost ——cost，hit ——hit

2. 以d结尾的词，把d变成t。

女口:build —built, le nd —lent, send —sent, spe nd —spe nt ( read —read)

3. 以n结尾的词，在词后加t。

女口：mean— meant, burn —bur nt, lear n —learnt

4. 以ow / aw 结尾的词，把ow / aw 变成ew

女口：blow—blew, draw —drew, know —knew, grow —grew，throw —threw

5. 含有双写字母的词，将双写改为单写，在词尾加t。

女口：keep—kept, sleep ——slept, feel ——felt, smell ——smelt，sweep— swept

6. 只去掉一个e：

动词的三单形式、现在分词、过去式、过去分词的变化规律

feed —fed , meet—met

7?闭音节词，改i为a。

女口：sit ——sat, swim —swam, ring ——rang, drink ——drank，sing ——sang, beg in —bega n，

8. 开音节词，改i为o。

女口：drive —drove, ride —rode, write —wrote,

9. buy —bought, bring —brought, thi nk —thought, catch —caught,

teach —taught

https://www.360docs.net/doc/8217476401.html,y —laid, say—said, pay—paid 母鸡“下蛋”并“摆放”好后，“说”，

“付钱”

11.is/am —was, are —were, have/has —had, do —did, go —went, run —ran, see—saw, fly —flew, get —got, win —won, eat —ate, come —came, make—made, tell —told, take —took, fall —fell, speak—spoke, wear—wore, stand —stood, become—became, forget —forgot, hear —heard,

can—could, will —would, shall —should, find —found