| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [adv] [be] | 9392 |
|
| 2 | it [modal v] [be] [noun prp] | 253 |
|
| 3 | [modal v] [adv] [be] [noun prp] | 192 |
|
| 4 | it [adv] [be] [noun prp] | 12 |
|
