一个句子中必须有几个三单现?比如说 my mother takes a bus (go/goes?) to work.

一个句子中必须有几个三单现?比如说 my mother takes a bus (go/goes?) to work. my mother goes to work takes the bus这句“take"后用加S不额? my mother usually takes the bus to work同义句 Her mother takes the bus to work=Hermother goes to work ---- usually,a,my,bus,work,takes,mother,to 连词成句 My mother goes to work by bus(改为一般疑问句) my father often takes a bus to go to work.的同义句 My mother often goes to work by a bus every morning my mother often_________to go to work.A.by bus B.take bus C. My mother usually takes the bus to work?(变否定句） My mother ___ My father goes to work( )his bike,while my mother goes( )bus 改错：My mother usually takes a bus to home.