| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [verb] an eye | 26 |
|
| 2 | [prep] [v-ing] a eye | 26 |
|
| 3 | [prep] keeping a eye | 16 |
|
| 4 | [prep] keep a eye | 16 |
|
| 5 | of [verb] a eye | 10 |
|
