| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] keep [art] eye on | 19 |
|
| 2 | [vb base] keep an eye on | 19 |
|
| 3 | [vb base] keep a eye on | 19 |
|
| 4 | [vb base] to keep [art] eye on | 13 |
|
| 5 | have keep [art] eye on | 5 |
|
