把look at your book.变成否定祈使句

把look at your book.变成否定祈使句 Look at your book,please.(变否定句） Show me your hands.和Look at my book.都是祈使句吗? Look at your books.变为祈使句 can i have a look at your new comic book ?祈使句怎么改?(填空)＿ ＿have 把祈使句变成否定句.怎么变?：句子：1.Give the vase to the boy.2.put the book You must look at me like that.(改为否定祈使句) look at the picture,please 改为否定祈使句! You must look at me like that.(否定祈使句） Look at the picture.(变为否定祈使句） Look at the umbrella[改为祈使句的否定句] Let me look at your book.