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Complete the sentences with the positive or negative form of be going to and the verbs in brackets.

We (go) sailing. lt's cold and we can't swim.

Tim (have) a haircut. He wants to look good for the party.

Your card (arrive) before Christmas. You posted it too late.

Jasmine and Yoko (be) late for school. They missed the bus.

You are not concentrating on your homework. You (make) a mistake.