| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] keep an eye on [pron] | 11 |
|
| 2 | be [verb] an eye on [pron] | 11 |
|
| 3 | [be] [v-ing] an eye on [pron] | 9 |
|
| 4 | [be] keeping an eye on [pron] | 9 |
|
| 5 | [be] [verb] an eye on [pers pn] | 9 |
|
