| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [vb infin] a [adj] | 1766 |
|
| 2 | could [vb infin] a [adj] | 1605 |
|
| 3 | could not [vb infin] [adj] | 621 |
|
| 4 | could not [vb infin] a | 346 |
|
