| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to keep an eye on | 55 |
|
| 2 | [vb pp] [to-vb] an eye on | 13 |
|
| 3 | [vb pp] to keep an eye on | 13 |
|
| 4 | [vb pp] to keep [art] eye on | 13 |
|
| 5 | [vb pp] to keep a eye on | 13 |
|
| 6 | [vb pp] to keep an eye [prep] | 13 |
|
| 7 | [vb pp] to keep an [noun] on | 13 |
|
| 8 | [vb pp] keep an eye on | 13 |
|
| 9 | [vb pp] to keep [art] eye on | 13 |
|
| 10 | [vb pp] to keep an eye [prep] | 13 |
|
| 11 | [vb pp] [verb] an eye on | 13 |
|
| 12 | [vb pp] to keep an [noun sg] on | 13 |
|
| 13 | [vb pp] to keep an eye on | 13 |
|
