| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [vb infin] [prep] be [adj] | 378 |
|
| 2 | could not [vb infin] [prep] [adj] | 156 |
|
| 3 | could not [vb infin] be [adj] | 72 |
|
| 4 | could not [vb infin] [prep] be | 46 |
|
| 5 | could [vb infin] [prep] be [adj] | 45 |
|
