Complete the sentences with a word from the box. auxiliary positive negative be do 1. If the main part of the sentence is positive, we add a question tag. 2. If the main part of the sentence is negative, we add a question tag If the sentence contains an verb or modal verb, we use that for the question 3. tag. - we use that for the question tag if it appears The other exception is the verb in the main part of the sentence. 4. If the main part of the sentence contains a different verb, we make the question tag using 5. in the correct form.