| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could not be [verb] [verb] | 47 |
|
| 2 | [Wh pn] could [adv] be [verb] [verb] | 21 |
|
| 3 | [Wh pn] [vb mod] not be [verb] [verb] | 19 |
|
| 4 | [Wh pn] [modal v] not be [verb] [verb] | 19 |
|
| 5 | [Wh pn] could not be [verb] [verb] | 12 |
|
| 6 | [Wh pn] could [not/n't] be [verb] [verb] | 12 |
|
| 7 | [Wh pn] could not [be] [verb] [verb] | 6 |
|
| 8 | [Wh pn] could not be [verb] [verb] | 6 |
|
| 9 | [Wh pn] could not be [verb] [verb] | 6 |
|
| 10 | [Wh pn] could not [be] [verb] [verb] | 6 |
|
