| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be keep an eye on | 30 |
|
| 2 | be keeping a eye on | 27 |
|
| 3 | was keep a eye on | 7 |
|
| 4 | be keep a eye on | 6 |
|
| 5 | been keep a eye on | 5 |
|
