I watch them play spores.为什么用them

I like to watch them play为什么不是to play I watch them play spores.为什么用them I teach them,play with them,watch them growing up.改错 Yesterday I went to the concert to watch them play Beethoven's s___. I like to watch them play beach volleyball in the heat怎么翻译 将下列句子翻译成被动语态I often hear her play the piano.I heard her playing the piano just now.I watch them play the game. I seldom play them.I am too b_______to play them. I like w___ them play on TV I like w___ them play on TV I often watched them play soccer last year我知道watch sb do 但为什么不用played do一定是动词原型吗? I stood for a minute_____（watch）them and them them went to greet them. 英语翻译I watch them watch me I watch them too用翻译软件翻译的就不要回复了 有一首英文歌 里面有句歌词 I watch them watch me I watch them too 叫什么啊这首歌 改错：I often watch sitcoms,so I like them. I ofen watch my little brother play （play） football after school这里为什么填play I often watch them_____(play)soccer last year.急吖 I like to watch them___(play)soccer every weekend. I often watch him____football in the playground(play)