| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [vb infin] to be | 3709 |
|
| 2 | could [not/n't] [vb infin] to | 351 |
|
| 3 | could [vb infin] to be | 149 |
|
| 4 | could [not/n't] [vb infin] be | 6 |
|
