Past / Past Participle 1
drown
drowned / drowned
strengthen
strengthened / strengthened
make
made / made
find
found / found
speak
spoke / spoken
scream
screamed / screamed
feel
felt / felt
buy
bought / bought
wake
woke / woken
go
went / gone
lose
lost / lost
hear
heard / heard
know
knew / known
find
found / found
arrive
arrived / arrived
build
built / built
gain
gained / gained
do
did / done
read
read / read
remember
remembered / remembered
damage
damaged / damaged
catch
caught / caught
eat
ate / eaten
swim
swam / swum
call
called / called