| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] on a [noun] | 503 |
|
| 2 | [vb -s] open a [noun] | 39 |
|
| 3 | open on a [noun] | 23 |
|
| 4 | [vb -s] open on a | 7 |
|
