| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could not [vb infin] [noun] | 242 |
|
| 2 | [noun pl] [pron] could not [vb infin] | 114 |
|
| 3 | [noun pl] [pron] could [vb infin] [noun] | 102 |
|
| 4 | [noun pl] could not [vb infin] [noun] | 49 |
|
