| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] [pron] [pron] [modal v] [vb infin] | 82 |
|
| 2 | [verb] [prep] it [pron] [modal v] [vb infin] | 66 |
|
| 3 | [vb past] [prep] it [pron] [modal v] [verb] | 8 |
|
