| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] in [noun sg] | 6639 |
|
| 2 | [vb pp] a [noun] [noun sg] | 4245 |
|
| 3 | [vb pp] a [noun] in | 1897 |
|
| 4 | [vb pp] [noun] in [noun sg] | 617 |
|
