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