| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [verb] been | 3772 |
|
| 2 | which [modal v] [verb] been | 707 |
|
| 3 | which it [modal v] [verb] | 326 |
|
| 4 | which it [verb] been | 161 |
|
