go call off	go chide chid; chided chid; chided; chidden	go commonly
go can could could	go chief	go complete
go carry out	go choose chose chosen	go complex
go carry out an experiment	go clean	go conscious
go carry out an investigation	go clear	go cost cost cost
go carry out an order	go cleave clove; cleft; cleaved cloven; cleft; cleaved	go countersink countersank countersunk
go cast cast cast	go cling clung clung	go creep crept crept
go catch caught caught	go cold	go crow crowed; crew crowed
go certain	go come came come	go cruel
go chat	go come off	go cut
go cheap	go come over	go cut cut cut
go chemical	go common