现在完成时
---动词变化规律
规则动词广东游玩的过去式变化如下：
一般情况下，动词词尾加 -ed ，如：
worked played wanted acted
以不发音的 -e 结尾动词，动词词尾加 -d，如：三七的作用 lived moved decided declined hoped judged raid wiped
以辅音字母 + y结尾的动词，把-y变为-i 再加-ed，如：
studied tried copied justified cried carried embodied emptied 以一个辅音字母结尾的重读闭音节动词，双写词尾辅音字母，再加 -ed，如： stopped begged fretted dragged dropped planned dotted dripped 注：不规则动词的过去式变化规律性不强，须多加记忆。
go - went make - made get - got buy - bought come - came fly-flew
动词过去式,过去分词不规则变化
AB型
can--could shall--should will--would may--might
AAA型
cost—cost--cost cut—cut--cut hit—hit--hit 0
hurt—hurt--hurt let—let--let must—must--must
put—put--put t—t--t shut—shut--shut
read—read--read
二胡f调
ABA型
become—became--become come—came--come
run—ran--run
ABB型
bring –brought--brought buy—bought--bought
think—thought--thought catch—caught--caught
teach—taught--taught build—built--built
lend—lent--lent nd—nt--nt举重世界纪录多少公斤
spend—spent--spent dig—dug--dug
feel—felt--felt
keep—kept--kept sleep—slept--slept
sweep—swept--swept leave—left--left
smell—smelt—smelt pay—paid--paid
say—said--said ll—sold--sold
节约用电图片
tell—瓷砖铺贴方法told--told sit—sat--sat
stand—stood--stood learn—learnt--learnt
win—won--won have—had--had
make—made--made hear—heard--heard
find—found--found hold—held--held
ABC型
begin—began--begun drink—drank--drunk
sing—sang--sung swim—swam--swum
fly—flew--flown grow—grew--grown
know—knew--known throw—threw--thrown
draw—drew--drawn forget—forgot--forgotten
speak—spoke--spoken drive—drove--driven
eat—ate--eaten give—gave--given
ride—rode--ridden take—took--taken 背心痛是怎么回事
write—wrote--written am,is—好作文was--been
are—were--been do—did--done
go—went--gone e—saw--en
wear—wore--worn
