Insert the verb to be (to) or to have (to) in the necessary tense form. 1. i wondered what to happen to us. 2. it looks like raining. you to take your raincoats. 3. we agreed that the one who came first to reserve seats for the rest of us. 4. nobody met me at the airfield as i to have arrived a day later and could not warn any of my friends of the change. 5. he always puts off doing what he to do until it to be done. 6. we to leave on monday, but because of a two days' delay with the visas we to book tickets for wednesday. 7. there is nothing strange in what he did. it to be expected. 8. it was too late to change the plan, and it to remain as it was. 9. you not to tell him about it if you don't want to. 10. you not to tell him anything about it before you get further instructions. 11. they hoped to spend the summer together, but that not to be. 12. i to do it all by myself? 13. when no food to be had he seemed capable of doing without.