| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be keep an eye on | 30 |
|
| 2 | [be] keep an eye on | 30 |
|
| 3 | was keep an [noun sg] on | 8 |
|
| 4 | was keep an [noun] on | 8 |
|
| 5 | was keep an eye [prep] | 7 |
|
| 6 | was [verb] an eye on | 7 |
|
| 7 | was keep an eye on | 7 |
|
| 8 | was keep an eye [prep] | 7 |
|
| 9 | was keep an eye on | 7 |
|
| 10 | [was/were] keep an eye on | 7 |
|
| 11 | was keep [art] eye on | 7 |
|
| 12 | was keep [art] eye on | 7 |
|
| 13 | was keep a eye on | 7 |
|
