| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could not [vb infin] | 13762 |
|
| 2 | [vb past] [pers pn] could [vb infin] | 1430 |
|
| 3 | [vb past] [pers pn] could not | 716 |
|
| 4 | [vb past] [pers pn] not [vb infin] | 228 |
|
| 5 | [vb past] could not [vb infin] | 20 |
|
