be/was.were/been
bring/brang/brung

buy/bought/bought
cut/cut/cut
do/did/done
eat/ate/eaten
find/found/found
go/went/gone
have/had/had
keep/kept/kept

lie/lay/lain
lie/lied/lied
lose/lost/lost

make/made/made
move/moved/moved
play/played/played
provide/provided/provided
put/put/put
read/read/read
see/saw/seen
sleep/slept/slept
spend/spent/spent
study/studied/studied
take/took/taken
think/thought/thought
travel/traveled/traveled
visit/visited/visited 
write/wrote/written