| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it [modal v] [adv] [be] | 494 |
|
| 2 | it [modal v] [adv] [be] [that] | 303 |
|
| 3 | [verb] it [modal v] [be] [that] | 19 |
|
