| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adj] | 89695 |
|
| 2 | [pron] be clear | 3108 |
|
| 3 | [pers pn] be clear | 2789 |
|
| 4 | it [be] clear | 2642 |
|
| 5 | it be clear | 2642 |
|
