的过去式和过去分词,过去式和过去分词是什么?( 三 )


D. 原形,过去式,和 过去分词完全不同
1. 把动词原形中i改为a变成过去式,改成u变成过去分词.
begin —- began —–begun drink—drank—-drunk
ring—-rang—–rung
swim—-swam—-swum sing—-sang—-sung
2. 把动词原形中o改为e变成过去式,在原形词尾加n变成过去分词.
blow—-blew—-blown grow—-grew—-grown
know—knew—known
throw —- threw —- thrown fly —-flew /flu:/ —-flown (
和以上相似)
3. 以下动词的过去分词都以en结尾,故把它们分为一类.
a ) 把动词原形中i改为o变成过去式,在词尾加n变成过去分词.
drive—-drove—-driven rise—rose—risen
write—wrote—written (双写t )
ride—-rode—-ridden (双写d )
b ) 把动词原形中ea改为o, 在词尾加e变成过去式,在过去式后加n变成过去分词.
speak—-spoke—-spoken steal—-stole—-stolen
break—-broke—-broken
c ) 把动词原形中的个别字母或字母组合改为o变成过去式, 在过去式后加n变成过去分词.
wake—-woke—-woken freeze—-froze—-frozen
choose—-chose—-chosen forget—-forgot—-forgotten (双写t,加en )
d) 其它过去分词以en结尾的动词
eat—-ate—-eaten beat—- beat —- beaten
fall—-fell—-fallen
give—-gave—-given see—-saw—-seen
take—-took—-taken
mistake—- mistook—– mistaken
hide—-hid—-hidden (双写d )
E. 没有过去分词的动词
can —– could - may—- might - shall—- should- will
—- would -
其它
am, is —- was—– been are—–were—– been
do—–did—– done
draw—–drew—– drawn/ :/ go—–went—– gone
show—-showed—-shown
wear— wore —- worn
不规则动词的过去式 (初二)
不规则动词的过去式是同学们学习的重点,也是一个难点 。同学们应通过不规则动词的动词原形和它们的过去式找出其变化规律,总结如下:
1. 把动词原形中的o改为a,变成过去式 。过去分词不变.如:
become—became, come—came
2.把动词原形中的i改为a,变成过去式 。如:
begin—began,drink—drank,give—gave,ring—rang,sing—sang,sit—sat,swim—swam
,sink—sank,
3.把重读开音节中的i改为o,变成过去式 。如:
drive—drove,ride—rode,shine—shone,win—won,write—wrote
4.动词原形中的e改为o,变成过去式 。如:
get—got,forget—forgot
5.动词原形中的eep改为ept,变成过去式 。如:
keep—kept,sleep—slept,sweep—swept
6. 动词原形中的an改为oo,变成过去式 。如:
stand—stood,understand—understood
7.改动词原形中的aw /ow为ew,变成过去式 。如:

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