1) stop + ed a) stopped b) stoped 2) quit + ing a) quiting b) quitting 3) sink +ing a) sinkking b) sinking 4) flap + ing a) flapping b) flaping 5) fast + est a) fastest b) fasttest 6) run + er a) runer b) runner 7) shop + ing a) shopping b) shoping 8) thin + est a) thinnest b) thinest 9) thank + ed a) thankked b) thanked 10) mat + ed a) mated b) matted 11) red + er a) redder b) reder 12) spin + ing a) spinning b) spining  13) flat + est a) flatest  b) flattest 

Leaderboard

Visual style

Options

Switch template

Continue editing: ?