– Do you play tennis every week? – Yes, I do/No, I don’t.
– Is he a good driver? – Yes, he is/No, he isn’t.
– Will we go to the restaurant tonight? – Yes, we will/No, we won’t.
– Did she go to the disco yesterday? – Yes, she did/No, she didn’t.
– Have you ever visited Poland? – Yes, I have/No, I haven’t.