| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that could [vb infin] | 1105 |
|
| 2 | [verb] could [vb infin] | 339 |
|
| 3 | [verb] that could | 92 |
|
| 4 | [verb] that [vb infin] | 25 |
|
