| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] been [prep] [art] | 228 |
|
| 2 | it must [verb] been [art] | 198 |
|
| 3 | must [verb] been [prep] [art] | 91 |
|
| 4 | it must [verb] been [prep] | 83 |
|
| 5 | it must [verb] [prep] [art] | 65 |
|
