? - ? - ?
be - was/were - been
? - ? - ?
become - became - become
? - ? - ?
begin - began - begun
? - ? - ?
blow - blew - blown
? - ? - ?
break - broke - broken
? - ? - ?
bring - brought - brought
? - ? - ?
build - built - built
? - ? - ?
beat - beat - beaten
? - ? - ?
catch - caught - caught
? - ? - ?
burn - burbt - burnt
? - ? - ?
buy - bought - bought
? - ? - ?
choose - chose - chosen
? - ? - ?
come - came - come
? - ? - ?
cost - cost - cost
? - ? - ?
cut - cut - cut
? - ? - ?
dig - dug - dug
