| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [det] [pron] could | 116 |
|
| 2 | [be] [det] [Wh pn] [vb mod] | 92 |
|
| 3 | [be] [det] [Wh pn] [modal v] | 92 |
|
| 4 | [be] [adj] [Wh pn] could | 7 |
|
| 5 | [be] [det] [Wh pn] could | 7 |
|
