climb the tree in the park.改为否定句

climb the tree(改为否定句) are there any birds in the tree 改为否定句 Yor should climb the tree.怎么改成否定句? i took many pictures in the park改为否定句 There are some people in the park 改为否定句 There are some apples in the park [改为否定句】 Park your car in the parking place.改为否定句 there is a path in the park.[改为否定句】 They were in the park yesterday改为否定句 climb the tree (该否定句）.（一般疑问句,肯定回答,否定回答）划线提问--climb the tre like climb the tree (该否定句）.（一般疑问句,肯定回答,否定回答）划线提问--climb th the birds are singing in the tree (改为否定句）