| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] keep an eye | 54 |
|
| 2 | [pron] [vb past] an eye | 33 |
|
| 3 | [pron] [vb past] keep an | 17 |
|
| 4 | [vb past] keep an eye | 14 |
|
