| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he could [vb infin] [vb pp] | 625 |
|
| 2 | he could [vb infin] a | 430 |
|
| 3 | could [vb infin] [vb pp] a | 335 |
|
| 4 | he [vb infin] [vb pp] a | 6 |
|
