| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] they [modal v] [be] | 233 |
|
| 2 | [Wh pn] [vb past] they [be] | 62 |
|
| 3 | [Wh pn] [vb past] they [modal v] | 54 |
|
| 4 | [Wh pn] they [modal v] [be] | 31 |
|
| 5 | [Wh pn] [vb past] [modal v] [be] | 7 |
|
