| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pron] [vb past] [modal v] be | 140 |
|
| 2 | [Wh det] i [verb] [modal v] be | 109 |
|
| 3 | [pron] i [vb past] [modal v] be | 29 |
|
| 4 | [Wh det] i [vb past] [modal v] [be] | 26 |
|
