| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we know [prep] a [noun] | 16 |
|
| 2 | we know [prep] a [noun sg] | 15 |
|
| 3 | we know [prep] a fact | 5 |
|
| 4 | we know [prep] a fact | 5 |
|
