| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [pers pn] [modal v] | 1139 |
|
| 2 | [prep] [noun] [pers pn] [modal v] know | 29 |
|
| 3 | a [noun] [pers pn] [modal v] know | 14 |
|
