1) If Felix (to be) … here I would have seen him. 2) Michael would not agree even if you (to ask) … him. 3) If they (mention) … this yesterday, everything would have been done. 4) If I (to find) … that letter, I’ll show it to you. 5) If I meet him, I (to invite) … him. 6) Would they come if we (to invite) …them? 7) The boss (be) … very disappointed if you aren’t at the meeting tomorrow. 8) The teacher said, “I’ll begin the lesson as soon as Jack … (stop) talking.” 9) The old gentleman doesn’t go out in winter. He … (go) out if the weather gets warmer. 10) She’s flying to Cairo tomorrow. She’ll send her family a telegram providing she … (arrive) with a delay.