求教英语改写句子 (1)my father always goes swimming with me at weeken

求教英语改写句子 (1)my father always goes swimming with me at weekends.(改一般疑问句) (2)they promise to keep the environment clean.(对keep the environment clean划线提问) (3)I often help mary and she also helps me.(保持句意不变) (4)we have already been to the great wall.(改成否定句) (5)the environment is all the things round us.(对all the things round us划线部分提问) (6)Linda's brother promise to give her 150RMB.(对give her 150RMB划线部分提问) (7)ken is usually kind to others.(保持原意思句)