| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [to-vb] a [adj] eye | 11 |
|
| 2 | [vb past] keep a [adj] eye | 8 |
|
| 3 | [vb past] to keep a [adj] eye | 5 |
|
| 4 | [vb past] [vb pp] a [adj] eye | 5 |
|
| 5 | had [verb] a [adj] eye | 5 |
|
