| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] keep an eye [prep] | 71 |
|
| 2 | [noun sg] [verb] an eye [prep] | 47 |
|
| 3 | [noun sg] keep an [noun] [prep] | 41 |
|
| 4 | [noun sg] keep an [noun sg] [prep] | 41 |
|
| 5 | [noun sg] keep [art] eye [prep] | 40 |
|
| 6 | [noun sg] keep an eye [prep] | 40 |
|
| 7 | [noun sg] keep [art] eye [prep] | 40 |
|
| 8 | [noun sg] keep a eye [prep] | 40 |
|
