| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb mod] [be] [prep] a certain | 5 |
|
| 2 | [vb mod] [be] [verb] [prep] a certain | 24 |
|
| 3 | [vb mod] [be] [vb pp] [prep] a certain | 23 |
|
| 4 | [vb mod] [be] [prep] a certain [noun] | 10 |
|
| 5 | [vb mod] [be] [prep] a certain [noun sg] | 10 |
|
