They are short answers at the end of a sentence, in order to ask information or a confirmation. If the sentence is in the affirmative form the question–tag will be in the negative and vice versa.

Ex: He is very tall, isn’t he? /We aren’t cold, are we?

Exercise: Write the correct question-tag for each sentence:

1- He isn’t your father, _________?

2- Agnes loves travelling, _______?

3- They were at the party, _______?

4- We don’t go to the beach, _____?

5- I was very tired, ____________?