| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could go | 1087 |
|
| 2 | what could [verb] | 166 |
|
| 3 | what could [vb infin] | 166 |
|
| 4 | what [modal v] go | 37 |
|
| 5 | what could go | 7 |
|
