Tag-questions are affirmative sentences where a response is asked to verify the truth of the statement. They are used a lot in English as a polite form of the imperitive tense.
There are two contexts where tag questions are used:

1) Where the object of the sentence is suggesting, or acting like the statement isn't
true, which prompts the speaker to reafirm the truth.

Examples: Why are you still in bed? You want to go skiing don't you?
Why aren't you going out with us? Don't you like us?

2) To ask for reasurance for a statement. The closest equivalent to this in Spanish is
saying, no?, at the end of the sentence.

Examples:

You like coffee, don't you?
He can do that, can't he?
Is isn't very cold, is it?
It's hot, isn't it?
He's a nice guy, isn't he?
James didn't come, did he?
Kyle came late again, didn't he?
You like coffee, right?

Practice

1) Your friend didn't look at me the whole time, he doesn't like me,

does he?

2) It's been a while since we ate. Lets get something to eat. You're hungry,

aren't you?

3) You don't have any money, you didn''t deposit the money,

did you?

4) You had your your eyes closed for the whole class, you were sleeping,

didn't you?

5) Kyle didn't say a thing all day, he isn't very talkative, is he?

6) It is getting late and they should be here by now. They aren't going to

come, are they?

?