| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he [verb] [coord] could [not/n't] [vb infin] | 5 |
|
| 2 | he [vb past] [coord] could [not/n't] [vb infin] | 5 |
|
| 3 | he [coord] [pers pn] could [not/n't] [vb infin] | 6 |
|
| 4 | he [coord] [pron] could [not/n't] [vb infin] | 6 |
|
