| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [verb] a eye on | 17 |
|
| 2 | have [verb] an eye on | 17 |
|
| 3 | have keep a eye on | 17 |
|
| 4 | have [to-vb] a eye on | 13 |
|
| 5 | have to keep a eye on | 13 |
|
| 6 | have [verb] a eye on | 5 |
|
