is this your shirt?正确!
is this shirt your?表达有误 若想和上句意思一致,要写为:is this shirt【 yours】?
is this shirt tim is?表达有误 正确的表达应为:is this shirt tim's?
is this tim is shirt?表达有误 正确的表达应为:is this tim's shirt?
what color is henry is hat?表达有误 what color is henry‘s hat?
what is henry’s hat's color?这样的表达太“中国英语”了.
请注意区分 be动词is 与 名词所有格's 的使用