| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] that | 5201 |
|
| 2 | is [vb pp] that | 4035 |
|
| 3 | [be] known that | 302 |
|
| 4 | be known that | 302 |
|
| 5 | is known [conj] | 192 |
|
| 6 | is know that | 160 |
|
| 7 | [is] known that | 153 |
|
| 8 | is known [that] | 148 |
|
| 9 | is known that | 148 |
|
