| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] be [verb] [that] | 25 |
|
| 2 | could [not/n't] be [vb pp] [that] | 25 |
|
| 3 | could [not/n't] be [adj] [that] | 24 |
|
| 4 | could [not/n't] be [adj] [that] | 23 |
|
| 5 | could [not/n't] be said [that] | 14 |
|
| 6 | could [not/n't] be say [that] | 14 |
|
| 7 | could [not/n't] be sure [that] | 12 |
|
| 8 | could [not/n't] be sure [that] | 12 |
|
| 9 | could [not/n't] be certain [that] | 9 |
|
| 10 | could [not/n't] be certain [that] | 9 |
|
