| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we [vb past] it [vb mod] [verb] been | 6 |
|
| 2 | we [vb past] it [modal v] have been | 6 |
|
| 3 | we [vb past] it [modal v] [verb] been | 6 |
|
| 4 | we [vb past] it [modal v] have been | 6 |
|
| 5 | we [vb past] it [modal v] [vb infin] been | 6 |
|
