like, play是动词原形, 当主语是I, We, They, You, My parents(非第三人称单数)用. 如: I like music very much. They often play football after class.另外,like也是个介词: 如: He looks like his father.
likes, plays 是动词的第三人称单数, 当主语是He, She, It, My father, Kate( 第三人称单数时)用
如:My mother likes watching movies.
He often plays guitar in the evening.
playing是现在分词或动名词,用在现在进行时,过去进行时(am/ is/ are +doing; was/were+doing),或固定搭配,如: He likes playing football.
Look, He is playing basketball.
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