| it's all good | | | |
| it's none of your business | | | |
| it takes two to tango | | | |
| ivory tower | | | |
| in the clear | | | |
| in the drink | | | |
| in the final analysis | | | |
| in the front row | | | |
| in the here and now | | | |
| in the hot seat | | | |
| in the least | | | |
| in the long term | | | |
| in the nick of time | | | |
| in the pipeline | | | |
| in the reign of Queen Dick | | | |
| in the running | | | |
| in the saddle | | | |
| in the same breath | | | |
| in the short run | | | |
| in the soup | | | |
| in the stars | | | |
| in the straw | | | |
| in the swim | | | |
| in the thick of | | | |
| in the toilet | | | |
| in the twinkling of an eye | | | |
| in the way | | | |
| in the wink of an eye | | | |
| in the wrong place at the wrong time | | | |
| in thunderation | | | |
| into power | | | |
| in two jumps | | | |
| in view of | | | |
| in with a chance | | | |
| I rest my case | | | |
| irons in the fire | | | |
| it can't be helped | | | |
| itchy feet | | | |
| I tell a lie | | | |
| it figures | | | |
| it's about time | | | |
| it's all Greek to me | | | |
| it's five o'clock somewhere | | | |
| it takes all kinds to make a world | | | |
| it takes two to make a quarrel | | | |
| ivory-pounder | | | |
| ivory tickler | | | |
| I wish | | | |