| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [not/n't] [vb infin] | 14304 |
|
| 2 | [pers pn] could [not/n't] [vb infin] | 13769 |
|
| 3 | he [modal v] [not/n't] [vb infin] | 7736 |
|
| 4 | he could [adv] [vb infin] | 4156 |
|
| 5 | he could [not/n't] [vb infin] | 3018 |
|
| 6 | he could [not/n't] [verb] | 3016 |
|
