| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] an [noun] on [noun prp] | 161 |
|
| 2 | [to-vb] an [noun] on [noun prp] | 34 |
|
| 3 | to keep an [noun] on [noun] | 32 |
|
| 4 | keep an [noun] on [noun prp] | 31 |
|
| 5 | to keep [art] [noun] on [noun prp] | 13 |
|
| 6 | to keep [art] [noun] on [noun prp] | 13 |
|
| 7 | to keep a [noun] on [noun prp] | 12 |
|
| 8 | to keep an [noun] [prep] [noun prp] | 11 |
|
