| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] to keep a [adj] eye | 5 |
|
| 2 | [vb past] to keep [art] [adj] eye | 5 |
|
| 3 | [vb past] to keep [art] [adj] eye | 5 |
|
| 4 | [vb past] to keep [art] [adj] eye | 5 |
|
| 5 | [vb past] to keep a [adj] eye | 5 |
|
