| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] an eye out for | 40 |
|
| 2 | keep an eye out [prep] | 39 |
|
| 3 | [vb base] an eye out [prep] | 16 |
|
| 4 | keep an eye out [prep] | 15 |
|
| 5 | [v-ing] an eye out [prep] | 11 |
|
| 6 | keeping an eye out [prep] | 11 |
|
| 7 | [to-vb] an eye out [prep] | 9 |
|
| 8 | to keep an eye out [prep] | 9 |
|
