Question

you....... run.the train is late​

Answer 1

Answer:have to

Explanation: You have to run. The train is late.

Answer 2

You should run, the train is late.

Auxiliaries:

• Modal auxiliaries or helping verbs are used in sentences to express ability, order, probability, or possibility.
• For example, we have modal auxiliaries should, would, may, could, & must.
• Here the modal auxiliary should is used as it is pushing and showing advice with some amount of order and imperativeness.
• All the other modal auxiliaries do not fit well with the sentence and thus 'should' will be the final answer.

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