My father has a soccer ball . 变否定 疑问怎么变? 并说出原因

My father has a soccer ball . 变否定 疑问怎么变? 并说出原因 He has a soccer ball怎么变复数?He have soccer balls是错误的. I have a soccer ball .变否定句 He has a saccer ball.变否定和疑问句,并做肯定和否定回答 They hava a soccer ball.怎么变一般疑问句? mary’s father has a soccer ball改为否定,一般,肯否定,划线提问.a soccer bal we have a soccer ball先变否定句再变一般疑句做肯定回答 his brother has a soccer ball(改为否定句) I do my home He has a soccer ball变复数为什么he要变they,难道不是只用改ball去a吗?为什么? My father needs a watch 变否定句 My father Will go abroad next year 变否定和疑问 his uncle has a soccer ball (变为否定句）