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.

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