| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [adv] be [conj] [prep] | 26 |
|
| 2 | it [modal v] [adv] be [conj] [prep] | 26 |
|
| 3 | it may [adv] be [conj] [prep] | 16 |
|
| 4 | it may [adv] be [conj] [prep] | 16 |
|
