如果一句话中有三个动词,主语是第三人称要不要都加sone of them (want/wants) to (watch/watches) TV and (play/plays) game.可是为什么My sisiter usually waters the flowers and listen to music.全都是三单是?我搞不懂了,

如果一句话中有三个动词,主语是第三人称要不要都加sone of them (want/wants) to (watch/watches) TV and (play/plays) game.可是为什么My sisiter usually waters the flowers and listen to music.全都是三单是?我搞不懂了,
如果一句话中有三个动词,主语是第三人称要不要都加s
one of them (want/wants) to (watch/watches) TV and (play/plays) game.
可是为什么My sisiter usually waters the flowers and listen to music.全都是三单是?我搞不懂了,

如果一句话中有三个动词,主语是第三人称要不要都加sone of them (want/wants) to (watch/watches) TV and (play/plays) game.可是为什么My sisiter usually waters the flowers and listen to music.全都是三单是?我搞不懂了,
One of them wants to watch TV and plays games.
这里one作主语,谓语动词用单数形式,want加S,后面的play加S.plays与前面的wants并列.而watch要用动原,因为to是动词不定式符号,后接动原.
My sisiter usually waters the flowers and listens to music.
waters与后面的listens并列,所以后面的listen要加S.

one of them (wants) to (watch) TV and (play) game.
可是为什么My sisiter usually waters the flowers and listen to music.全都是三单是？我搞不懂了，谁能帮我解释一下，各位高手帮忙拉
one of them是单数。want...

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one of them (wants) to (watch) TV and (play) game.
可是为什么My sisiter usually waters the flowers and listen to music.全都是三单是？我搞不懂了，谁能帮我解释一下，各位高手帮忙拉
one of them是单数。want to do sth 是个句型 and起连接作用。
My sisiter 是第三人称单数 ，所以单词加S
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one of them wants to watch TV and plays game.
My sisiter usually waters the flowers and listens to music

第一个是wants。要加s.后面是watch/play.不要加s.因为是to do形式接动词原形。
第二道题则是全加s。遵从第三人称后为单数的原则。