过去式和过去分词 1.lend-lent-lent2.understand-understood-understood3.forget-forgot-forgotten4.fly-flew-floen5.can-could-没有6.may-might-没有7.will-would-没有5，6，7属于情态动词，没有过去分词
动词过去式过去分词 shout shouted shoutedsail sailed sailedmatch matched matchedstop stopped stoppedcan could(无过去分词)start started startedlive lived livedpick picked pickedcall called calledtell told toldcarry carried carriedmean meant meantspell spelt spelt
can的过去分词是什么，有人说是could，有人说can没有过去分词，到底哪个对 can没有过去分词。could是过去式情态动词都没有过去分词。有过去式的情态动词：can couldmay mightwill wouldshall shoulddare dared
