| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] it [modal v] [vb infin] | 446 |
|
| 2 | who [vb past] [pron] [modal v] [vb infin] | 111 |
|
| 3 | who [verb] it [modal v] [vb infin] | 43 |
|
| 4 | who [vb past] it [modal v] [verb] | 20 |
|
