写出下列单词的过去式：am/is,are,begin,buy,come,do,eat,get,give,go,have/has,make,run,sing,take,swimmeet,spend,read,see

写出下列单词的过去式：am/is,are,begin,buy,come,do,eat,get,give,go,have/has,make,run,sing,take,swimmeet,spend,read,see
写出下列单词的过去式：am/is,are,begin,buy,come,do,eat,get,give,go,have/has,make,run,sing,take,swim
meet,spend,read,see

写出下列单词的过去式：am/is,are,begin,buy,come,do,eat,get,give,go,have/has,make,run,sing,take,swimmeet,spend,read,see
am/is,was
are,were
begin,began
buy,bought
come,came
do,did
eat,ate
get,got
give,gave
go,went
have/has,had
make,made
run,ran
sing,sang
take,took
swim swam
meet,met
spend,spent
read,read（读法不一样,读red）
see saw

am was were began bought came did ate got gave went had made ran sang took swam

was were began bought came did ate got gave went had made ran sang took swam

was，began，bought，came，did,ate,gave,went,had,made,ran,sang,took,swam