| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could keep a eye on | 10 |
|
| 2 | [pers pn] could keep a eye on | 10 |
|
| 3 | could keep a eye on [pron] | 10 |
|
| 4 | could keep a eye on [pers pn] | 7 |
|
