| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | keep an eye out for | 38 |
|
| 2 | keep an [noun sg] out for | 14 |
|
| 3 | keeping an [noun sg] out for | 11 |
|
| 4 | to keep an [noun sg] out for | 9 |
|
