| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] have been [prep] | 230 |
|
| 2 | [adv] it [modal v] have been | 203 |
|
| 3 | [adv] it [modal v] have [prep] | 32 |
|
| 4 | [adv] [modal v] have been [prep] | 21 |
|
| 5 | [adv] it have been [prep] | 18 |
|
