| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] what [pron] could | 109 |
|
| 2 | [noun pl] [vb past] [pron] could | 94 |
|
| 3 | [noun pl] [vb past] what [pron] | 67 |
|
| 4 | [noun pl] what [pron] could | 7 |
|
