| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [adv] [adv] be | 469 |
|
| 2 | it [modal v] [adv] be [prep] | 457 |
|
| 3 | it [modal v] [adv] be [prep] | 235 |
|
| 4 | [modal v] [adv] [adv] be [prep] | 167 |
|
