| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which could [vb infin] [conj] [verb] [art] | 6 |
|
| 2 | [Wh det] could [vb infin] [conj] [verb] [art] | 6 |
|
| 3 | [Wh det] could [vb infin] [coord] [verb] [art] | 6 |
|
| 4 | [Wh det] could [vb infin] [conj] [vb infin] [art] | 6 |
|
| 5 | [Wh det] could [vb infin] and [verb] [art] | 5 |
|
| 6 | [Wh det] could [vb infin] and [verb] [art] | 5 |
|
