| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is known that [adj] [noun] | 13 |
|
| 2 | is known that [adj] [noun pl] | 11 |
|
| 3 | is known that [adj] [noun sg] | 8 |
|
| 4 | is known that [det] [noun] | 7 |
|
