| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [indef pn] [to-vb] | 370 |
|
| 2 | it be [prep] [indef pn] | 173 |
|
| 3 | it be [prep] [to-vb] | 99 |
|
| 4 | be [prep] [indef pn] [to-vb] | 19 |
|
| 5 | it [prep] [indef pn] [to-vb] | 5 |
|
