Unit 10.1

To Be to + Infinitive

Verb Phrase


We find to be to + infinitive to discuss official arrangements, orders or official instructions.

This structure has both active form and  passive form.


The structure is:
Subject + to be to + infinitive + …


  • The soldiers are to cross the border.
  • We are to travel by car from Ankara to Budapest.
  • Students are to take the red flag and bring it here.


We use to be to + infinitive in:

  • Sentences that contain definite plans;
  • Sentences that contain formal plans.

NOTE: We use this structure in formal sentences.


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