| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [pron] | 407 |
|
| 2 | [modal v] be what | 123 |
|
| 3 | [vb mod] be what | 123 |
|
| 4 | could be [Wh det] | 7 |
|
| 5 | could [be] what | 5 |
|
| 6 | could be what | 5 |
|
| 7 | could be what | 5 |
|
| 8 | could be what | 5 |
|
| 9 | could [be] what | 5 |
|
