| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] keep [art] eye | 9 |
|
| 2 | [pron] [vb past] keep an eye | 9 |
|
| 3 | [pron] [vb past] to keep [art] eye | 9 |
|
| 4 | [pron] [vb past] keep a eye | 9 |
|
| 5 | [pers pn] [vb past] keep [art] eye | 7 |
|
