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