| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | keep an [noun sg] on | 476 |
|
| 2 | [conj] an [noun sg] on | 173 |
|
| 3 | [conj] keep an [noun sg] | 60 |
|
| 4 | [conj] keep [noun sg] on | 10 |
|
