| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | keep an eye on them | 27 |
|
| 2 | keep an [noun sg] on them | 8 |
|
| 3 | to keep an [noun sg] on them | 8 |
|
| 4 | keep an [noun sg] on them | 7 |
|
