| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] keep an eye on | 30 |
|
| 2 | [been] keep an eye on | 5 |
|
| 3 | [been] keep [art] eye on | 5 |
|
| 4 | [been] keep an eye [prep] | 5 |
|
| 5 | [been] keep an [noun] on | 5 |
|
| 6 | [been] keep an eye on | 5 |
|
| 7 | [been] keep [art] eye on | 5 |
|
| 8 | [been] keep an [noun sg] on | 5 |
|
| 9 | [been] keep a eye on | 5 |
|
| 10 | [been] keep an eye [prep] | 5 |
|
| 11 | [been] [verb] an eye on | 5 |
|
