1.stay stayed stayed
2.shop shopped shopped
3.reply replied replied
4.repair repaired repaired
5.carry carried carried
6.babysit babysat babysit
7.paint painted painted
8.set set set
9.play played played
10.chat chatted chatted
11.plant planted planted
12.plan planned planned
13.stop stopped stopped
14.cry cried cried
15.hope hoped hoped
16.hit hit hit
17.study studied studied
18.prefer preferred preferred
19.shut shut shut