My father (watches Tv)every night,watch后面为什么要加es

My father (watches Tv)every night,watch后面为什么要加es His parents watch TV every night,.这句话的watch 用加es吗,为什么 Bill often watch TV at night.watch后面加ing还是es?为什么? I often watches TV ,watches 后为什么要加es My father watch TV at home中的watch要不要加es My father watches TV every day Tom said to me“ My father watches TV every night”变为间接引语、很急、在 He ( ) TV every night 括号填watch还是watches My father ( ) watch TV every day 改错 ：My father watch TV every day. My grandpa watches TV every night 改为一般疑问句 My father watches TV every day.变否定句