| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [coord] keep a [noun sg] on | 13 |
|
| 2 | [noun sg] and keep a [noun sg] on | 13 |
|
| 3 | [noun sg] and keep a [noun sg] on | 13 |
|
| 4 | [noun sg] [conj] keep an [noun sg] on | 11 |
|
| 5 | [noun sg] [conj] keep a eye on | 11 |
|
| 6 | [noun sg] [conj] keep a [noun sg] on | 9 |
|
