| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could not [vb infin] | 13762 |
|
| 2 | [adj] [pers pn] could [vb infin] | 1300 |
|
| 3 | [adj] [pers pn] could not | 286 |
|
| 4 | [adj] could not [vb infin] | 178 |
|
