| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we [vb mod] keep [art] eye on | 14 |
|
| 2 | we [vb mod] keep an eye on | 14 |
|
| 3 | we [vb mod] keep a eye on | 14 |
|
| 4 | we can keep [art] eye on | 6 |
|
