什么叫做过去式

过去式是英语语法的一种,表示过去某个时间里发生的动作或状态.一般过去式的动词通常用动词的过去式形式来表示,而动词的过去式是在动词原形的基础上变化的.动词的过去式可分为规则动词和不规则动词.
过去式:1、表示过去某个时间里发生的动作或状态；2、过去习惯性、经常性的动作、行为；过去主语所具备的能力和性格.
比如 :A:What did you do last weekend?B:I played football.A:Did you read books?B:Yes,I did.
变化规则:
（1）一般情况下,动词词尾加 ed ,如：worked played wanted acted （2）以不发音的 e 结尾动词,动词词尾加 d,如：lived moved decided declined hoped judged raised wiped （3）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 （4）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 （5）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 ,is/am-was,are-were ,see-saw ,bring-brought,do-did,teach-taught,think-thought,say-said,sit-sat.read-read,spend-spent,eat-ate,give-gave,sit-sat,tell-told,write-wrote,feel-felt,find-found,hear-heard,know-knew,put-put,grow-grew,take-took,catch-caught,come-came,become-became,swim-swam,sweep—swept,sing—sang,draw—drew,
不规则的:
be was/were been
begin began begun
bring brought brought
buy bought bought
catch caught caught
come came come
cut cut cut
do did done
draw drew drawn
drink drank drunk
drive drove driven
eat ate eaten
feel felt felt
fight fought fought
find found found
fly flew flown
get got got
give gave given
go went gone
grow grew grown
have had had
hear heard heard
know knew known
leave left left
lose lost lost
make made made
meet met met
put put put
read read read
ride rode ridden
ring rang rung
rise rose risen
run ran run
say said said
see saw seen
sell sold sold
send sent sent
set set set
shut shut shut
sing sang sung
sit sat sat
sleep slept slept
speak spoke spoken
spend spent spent
stand stood stood
swim swam swum
sweep swept swept
take took taken
teach taught taught
tell told told
think thought thought
throw threw thrown
understand understood understood
wear wore worn
write wrote written