| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to keep an eye on [noun] | 32 |
|
| 2 | to keep an eye on [noun] | 32 |
|
| 3 | to keep an [noun sg] on [noun] | 32 |
|
| 4 | to keep an [noun] on [noun pl] | 13 |
|
| 5 | to keep an [noun] on [noun prp] | 11 |
|
| 6 | to keep an [noun] on thing | 6 |
|
| 7 | to keep an [noun] on things | 6 |
|
