1
2
3
4
100

is 

was

100

buy

bought

100

forget

forgot

100

ride

rode

200

are

were

200

catch

caught

200

go

went

200

see

saw

300

do

did

300

begin

began

300

leave

left

300

sleep

slept

400

have

had

400

drive

drove

400

make

made

400

think

thought

500

eat

ate

500

fight

fought

500

meet

met

500

wake

woke