| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [pron] could [verb] | 1157 |
|
| 2 | [verb] he could [verb] | 637 |
|
| 3 | [vb base] he [modal v] [verb] | 595 |
|
| 4 | [vb base] he [vb mod] [verb] | 595 |
|
| 5 | [vb base] he could [verb] | 54 |
|
