| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is well known that | 15 |
|
| 2 | [conj] it is well known that | 15 |
|
| 3 | [conj] it is well known that | 15 |
|
| 4 | [subord] it is well known that | 8 |
|
| 5 | [coord] it is well known that | 5 |
|
