| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be keeping an eye on | 27 |
|
| 2 | [is] keeping an eye on | 6 |
|
| 3 | be keeping an eye on | 6 |
|
| 4 | [be] keeping an eye on | 6 |
|
| 5 | [was/were] keeping an eye on | 6 |
|
| 6 | was keeping an eye on | 6 |
|
| 7 | [been] keeping an eye on | 5 |
|
| 8 | been keeping an eye on | 5 |
|
