| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't [vb infin] [adj] | 16548 |
|
| 2 | could n't [vb infin] | 12348 |
|
| 3 | could [vb infin] [adj] | 6286 |
|
| 4 | could n't [adj] | 35 |
|
