| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | known [prep] a [noun] | 299 |
|
| 2 | had [prep] a [noun] | 88 |
|
| 3 | had known [prep] [noun] | 40 |
|
| 4 | had known [prep] a | 13 |
|
