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