| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is clear [that] | 1286 |
|
| 2 | [vb base] it clear [that] | 94 |
|
| 3 | [vb base] it is [that] | 22 |
|
| 4 | [vb base] it is clear | 9 |
|
