| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] he could [vb infin] a | 177 |
|
| 2 | [conj] he could [vb infin] [vb pp] | 167 |
|
| 3 | he could [vb infin] [vb pp] a | 35 |
|
| 4 | [conj] could [vb infin] [vb pp] a | 13 |
|
