| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pers pn] could not [vb infin] | 14 |
|
| 2 | of [pron] could not [vb infin] | 9 |
|
| 3 | [prep] them could not [vb infin] | 8 |
|
| 4 | [prep] they could not [vb infin] | 8 |
|
| 5 | [prep] [pron] could not have | 5 |
|
