| If women didn’t exist, | | |
| If those of you in the cheap seats clap your hands, | | |
| If you have nothing to say, | | |
| If only I had known, | | |
| If you give me six lines written by the most honest man, | | |
| How wonderful opera would be | | |
| Playing Shakespeare is very tiring. You never get to sit down | | |
| Lady Astor, 'If I were married to you , I'd put poison in your coffee.' Winston Churchill: 'If you were my wife, | | |
| Unless you know what you want, | | |
| You can't fly unless | | |
| You can't win | | |
| If I had been playing for money, | | |
| Given one hour to save the planet, | | |
| Even if I knew that tomorrow the world would go to pieces, | | |