| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it have [adv] been | 609 |
|
| 2 | [prep] [subord] it have been | 124 |
|
| 3 | [prep] [subord] it have [adv] | 79 |
|
| 4 | [prep] it have [adv] been | 29 |
|
