Are you ok （疑问句）
It's your pen （疑问句）
Do you like shopping?（疑问句）
Does she paly computer?(疑问句）
Can he read this book?（疑问句）
一般用Are It Do Does 等开头的都是疑问句
I can't play basketball very well.（否定句）
I don't like this story.（否定句）
She doesn't go to school by bus.（否定句）
I'm not happy.（否定句）
一般用can;t don't doesn't not isn't shouldn't needn't 等回答的都算是否定句,用来否定的回答．
Are you ok Yes I am .（肯定句）/ No I am not .（否定句）
It's your pen Yes it is .（肯定句） / No it isn't .（否定句）
Do you like shopping?Yes I do .（肯定句）/ No I don't.（否定句）
Does she paly computer?Yes she does .(肯定句)/ No she doesn't .(否定句）
Can he read this book?Yes he can .(肯定句)/ No he can't.(否定句）