| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] that a | 526 |
|
| 2 | could [vb infin] that [art] | 310 |
|
| 3 | could [vb infin] [conj] a | 66 |
|
| 4 | could [verb] that a | 33 |
|
