Is that man you father?这句话哪儿错了

Is that man you father?这句话哪儿错了 That is a pencil box 这句话哪儿错了 is that your picture?这句话哪儿错了? Is you father in the study哪儿错了 Is that man you father?怎么样改 “Is that a backpack?-No,it is not.”这句话哪儿错了? 这句话什么意思：Do you know that that that that that man used is in That old man is my (father )father、、、、 请问这句话为什么错The man who/that you talked with is my friend. is that her orange?哪儿错了? which restaurant will you go?这句话哪儿错了 The teacher is an English.这句话哪儿错了?