| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | an [noun] on [noun] | 1090 |
|
| 2 | [vb -s] an [noun] [noun] | 614 |
|
| 3 | [vb -s] [noun] on [noun] | 447 |
|
| 4 | [vb -s] an [noun] on | 163 |
|
