| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] keep an eye | 54 |
|
| 2 | [pron] [vb base] keep an | 30 |
|
| 3 | [vb base] keep an eye | 25 |
|
| 4 | [pron] [vb base] an eye | 22 |
|
