| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | keep an eye out [prep] | 39 |
|
| 2 | keep an eye [adv prt] for | 38 |
|
| 3 | keep an eye [adv prt] [prep] | 15 |
|
| 4 | keeping an eye [adv prt] [prep] | 12 |
|
| 5 | to keep an eye [adv prt] [prep] | 9 |
|
