| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] have [been] [verb] | 520 |
|
| 2 | [vb mod] have [been] [verb] for | 290 |
|
| 3 | it have [been] [verb] for | 222 |
|
| 4 | it [vb mod] have [verb] for | 26 |
|
| 5 | it [vb mod] have [been] for | 14 |
|
