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100

pay

paid

100

put

put

100

read

read

100
ride

ridden

100
run

run

200

say

said

200

sell

sold

200
sew

sewed / sewn

200

shake

shaken

200

shrink

shrunk

300

sing

sung

300

sit

sat

300

speak

spoken

300

stand

stood

300

steal

stolen

400

swear

sworn

400

swim

swum

400

take

taken

400

understand

understood

400

wear

worn

500

wake

woken

500

write

written

500

tell

told

500

teach

taught

500

think

thought