| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he could [verb] | 7789 |
|
| 2 | he could [vb infin] | 7719 |
|
| 3 | [pron] could go | 1087 |
|
| 4 | he [modal v] go | 838 |
|
| 5 | he could go | 113 |
|
