| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could keep an [noun] on [pron] | 10 |
|
| 2 | could keep an [noun] on [pron] | 10 |
|
| 3 | could keep an eye on [pron] | 10 |
|
| 4 | could keep an eye on [pron] | 10 |
|
| 5 | could keep an [noun sg] on [pron] | 10 |
|
| 6 | could keep an [noun] on [pers pn] | 7 |
|
