| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun sg] on [pos pn] [noun] | 1659 |
|
| 2 | keep a [noun sg] on [noun] | 124 |
|
| 3 | keep a [noun sg] on [pos pn] | 67 |
|
| 4 | keep [noun sg] on [pos pn] [noun] | 10 |
|
