| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it may [vb infin] [prep] | 360 |
|
| 2 | it may [vb infin] been | 321 |
|
| 3 | may [vb infin] been [prep] | 145 |
|
| 4 | it [vb infin] been [prep] | 5 |
|
