like likes play plays playing他们分别在什么情况下用,

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.