一. 三態同形 (AAA)

不規則動詞變化表

	動詞原形	過去式	過去分詞	現在分詞	現在式
割	cut	cut	cut	cutting	cut(s)
投、拋	cast	cast	cast	Casting	Cast(s)
花費	cost	cost	cost	costing	cost(s)
打、擊	hit	hit	hit	hitting	hits
傷害	hurt	hurt	hurt	hurting	hurts
讓	let	let	let	letting	lets
讀	read	read	read	reading	reads
使擺脫	rid	rid	rid	ridding
放、置	set	set	set	setting	sets
關、閉	shut	shut	shut	shutting	shuts
伸展	spread	spread	spread	spreading	spreads