| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] to keep [art] eye [prep] | 10 |
|
| 2 | [vb infin] to keep [art] eye on | 10 |
|
| 3 | [vb infin] to keep a eye [prep] | 10 |
|
| 4 | [vb infin] to keep an eye [prep] | 10 |
|
| 5 | [vb infin] to keep [art] eye on | 10 |
|
| 6 | [vb infin] to keep [art] eye [prep] | 10 |
|
