go stood	go teach	go undertook
go strike	go tear	go wake
go struck	go tell	go wear
go stuck	go think	go went
go sung	go thought	go win
go sunk	go threw	go withdraw
go swam	go throw	go withdrawn
go sweep	go thrown	go withdrew
go swept	go told	go woke
go swim	go took	go woken
go swing	go tore	go won
go swum	go torn	go wore
go swung	go understand	go worn
go take	go understood	go write
go taken	go undertake	go written
go taught	go undertaken	go wrote