| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he could [not/n't] [verb] | 3016 |
|
| 2 | [vb base] he could [verb] | 54 |
|
| 3 | [vb base] he could [not/n't] | 14 |
|
| 4 | [vb base] could [not/n't] [verb] | 7 |
|
