Is this your computer?变陈述句

Is this your computer?变陈述句 Is this your computer?改肯定陈述句. ls this your computer?改为肯定陈述句 This is your computer.This computer Is this your pencil?改为陈述句+复数 Is this your watch?(改为陈述句） is this your watch改为陈述句 把Is this your watch 改为陈述句 Is this your coat?（改为陈述句） is this your coat?改为陈述句 is this your computer 改肯定句 this is your computer.的意思