win
won
The phone rang.
The phone didn't ring.
see
saw
I read a book.
I didn't read a book.
say
said
buy
bought
I learnt how to play chess.
I didn't learn how to play chess.
take
took
I left the house earlier.
I didn't leave the house earlier.
understand
understood
catch
caught
She sat on the pavement.
She didn't sit on the pavement.
think
thought
Our teacher taught me how to solve problems.
Our teacher didn't teach me how to solve problems.
meet
met
be
was/were
I spent 5 hours.
I didn't spend 5 hours.
keep
kept
I met my best friend at a mall.
I didn't meet my best friend at a mall.
hold
held
drink
drank
I ran fast.
I didn't run fast.
draw
drew
He told me to leave.
He didn't tell me to leave.
forget
forgot