Образуйте 3 формы от след глагоровTo present, to carry out, to look, to exist, to develope, to tempt, to change, to discuss, to decide, to follow, to group, to describe, to argue, to provide, to share, to make, to arise 

To present presented presented To carry carried carried To look look look To exist existed existed To develop developed developed To change changed changed To discuss discussed discussed To decide decided decided To follow followed followed To group grouped grouped To describe described described