| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [vb infin] [adj] | 27455 |
|
| 2 | could not [vb infin] | 21316 |
|
| 3 | could [vb infin] [adj] | 6286 |
|
| 4 | could not [adj] | 58 |
|
