Choose the appropriate form of the infinitive with 'to be to while filling in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
to be to
to be to in combination with perfect infinitive shows that the arranged action didn't take place in the past. -He was to have done it but he didn't have enough time. to be to in combination with simple infinitive shows that there was obligation due to an arranged action. -He was to come at 6.