| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [indef pn] [to-vb] | 370 |
|
| 2 | it be not [indef pn] | 319 |
|
| 3 | it be not [to-vb] | 100 |
|
| 4 | be not [indef pn] [to-vb] | 77 |
|
