1、 直接加er tall----taller short----shorter strong----stronger old----older young----younger small----smaller new----newer 2、 直接加r: fine----finer nice-----nicer 3、变y为i，加er: happy----happier heavy----heavier funny----funnier angry----angrier 4、双写词尾加er: big----bigger thin----thinner fat----fatter hot----hotter 5、特殊变化： good----better many----more 动词过去式 1、规则变化： play----played watch----watched -w ash---washed clean----cleaned visit----visited walk----walked jump----jumped return----returned learn----learned climb----climbed row----rowed live----lived dance----danced study----studied stop----stopped 2、不规则变化： am,is----was are----were do----did go----went have/has----had read----read fly----flew see----saw eat----ate take----took swim----swam sing----sang run----ran come----came get----got write----wrote know----knew buy----bought tell----told(告诉) say----said（说） meet----met leave----left make----made can----could shall----should 动词现在分词（动词ing形式） 1、直接加ing：rain----raining walk----waleing jump----jumping sleep----sleeping collect----collecting do----doing cook----cooking play----piaying 2、去e加ing:write----writing dance----dancing take----taking come----coming 3、双写词尾加ing：swim----swimming run----running shop----shopping 动词单数第三人称形式 （s/es） 1、直接加s：play----plays visit----visits clean----cleans walk----walks read----reads 2、以e结尾直接加s:take----takes write----writes dance----dances come----comes 3、以o、s、x、ch、sh结尾加es:watch----watches teach----teaches wash----watches teach----teaches wash----washes go----goes do----does 4、以辅音字母加“y”变“i”，然后加“es”:fly----flies study----studies 本文来源：https://www.wddqw.com/doc/16b01d1dff00bed5b9f31d77.html