动词变单三的规则：
1.一般的动词在词尾加 ---s. work三年级上册英语单词—works,read----reads
2.以 s,x,ch,sh,及辅音字母 +o 结尾的单词在词尾加 ---es. Watch---watches,do----
does.
3.以辅音字母加 y 结尾的动词变 y 为 i，再加 ---es. fly---flies.
4.以元音字母加 y 结尾的动词直接在词尾加 —s.play---plays
5.不规则变化。如：president
have---has
动词变现在分词（topspeed ing）的规则：
1.一般情况在词尾加 ---ing.如：
work---working.
2.以不发音字母 e 结尾的，去 e 再加 —ing.如：
take---taking,make---making.
3.以重读闭音节结尾且尾端只有一个辅音字母的，要双写尾端的辅音字母再加—ing.如：
computergame
swim---swimming, run ---running.
4.以字母 ie 结尾的动词，将 ie 变为 y dave再加 ing。如：
die---dying.
动词过去式变化规则：
1．一般在动词尾端加 -ed，如：
商务英语初级考试pull-pulled, cook-cooked
2．结尾是 e 加 d，如：
1 / 7
taste-tasted
3．尾端只有一个元音字母和一个辅音字母的重读闭音节，应双写尾端的辅音字母，再加 -ed，如：
stop-stopped
4．以 “辅音字母 +y”结尾的，变 y 为 i，再加 -ed，如：
study-studied
AB 型
can couldshall shouldwill wouldmay might邮编英文
AAA型
djokoviccost cost costcut cut cuthit hit hithurt hurt hurtlet let let
must must mustput put putt t tshut shut shutread read read
AAB 型
beat beat beaten
ABA 型
ABB型
bring brought broughtbuy bought boughtthink thought thought catch caught caughtteach taught taughtbuild built built
lend lent lentnd nt ntspend spent spent dig dug dughang hung hungfeel felt felt
keep kept keptsleep slept sleptsweep swept swept leave left leftsmell smelt smeltspill spilt spilt
2 / 7
lay laid laidpay paid paidsay said said
amaralll sold soldtell told toldsit sat satparagliding
spit spat spatstand stood stoodunderstand understood understoodlearn learnt learntmean meant meantspoil spoilt spoilt
shine shone shonewin won wonhave had had
make made made
hear heard heard
find found found
hold held held
ABC型
begin began begun
drink drank drunk
ring rang rung
sing sang sung
sink sank sunk
swim swam swum
blow blew blown
fly flew flown
grow grew grown
know knew known
throw threw thrown
draw drew drawn
