| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [vb pp] [prep] | 1838 |
|
| 2 | have always been [vb pp] [prep] | 229 |
|
| 3 | it have always been [vb pp] | 54 |
|
| 4 | it have always been [prep] | 29 |
|
| 5 | it have always [vb pp] [prep] | 25 |
|
