| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | an [noun] on [noun] | 1090 |
|
| 2 | to keep an [noun] on | 140 |
|
| 3 | to keep [noun] on [noun] | 18 |
|
| 4 | to keep an [noun] [noun] | 7 |
|
