| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | keep an eye out for | 38 |
|
| 2 | [vb base] an eye out for | 15 |
|
| 3 | keep an eye out for | 14 |
|
| 4 | keeping an eye out for | 11 |
|
| 5 | [v-ing] an eye out for | 11 |
|
| 6 | to keep an eye out for | 9 |
|
| 7 | [to-vb] an eye out for | 9 |
|
