| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] keep [art] eye on | 40 |
|
| 2 | [noun sg] keep a eye on | 40 |
|
| 3 | [noun sg] keep an eye on | 40 |
|
| 4 | [noun sg] to keep [art] eye on | 22 |
|
| 5 | [noun sg] keeping [art] eye on | 10 |
|
