| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] be [pron] [modal v] [be] | 23 |
|
| 2 | [adj] be [Wh det] [modal v] [be] | 16 |
|
| 3 | [det] [be] [Wh det] [modal v] [be] | 13 |
|
| 4 | [det] be [Wh det] [modal v] [be] | 13 |
|
