1.
a.
wear wore worn.
run ran run.
sleep slept slept.
buy bought bought.
see saw seen.
send sent sent.
b.
Also, I have worn 25 different suits.
I have run 40 kilometers. Also, I have sent 45 e-mails.
I have seen 15 movies. Also, I have spent all the money.
I have worked all day. Also, I have slept 30 minutes.