1.use used2.read read 3.waer wore4.eat eaten5.make made 6.play palyed7.swim swam 8.ride rode 9.is been
10.has had 11.go gone 12.do done 13.write writen14.run ran15.plan planed 1 6.stop stopped17.put put
18.take taken19.sing sang20.shake shook 21.keep kept22.allow allowed