| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could [vb infin] | 39978 |
|
| 2 | [pers pn] [vb infin] a | 4728 |
|
| 3 | could [vb infin] a | 4306 |
|
| 4 | [pers pn] could a | 9 |
|
