| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | something [pron] could [vb infin] | 109 |
|
| 2 | something which [modal v] [vb infin] | 64 |
|
| 3 | [pron] which could [vb infin] | 35 |
|
| 4 | something which could [verb] | 10 |
|
