| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [adv] [be] [that] | 294 |
|
| 2 | [subord] it [modal v] [adv] [be] | 263 |
|
| 3 | [subord] it [modal v] [be] [that] | 20 |
|
