| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [adv] it could | 9 |
|
| 2 | [vb base] [Wh adv] it could | 7 |
|
| 3 | [vb base] how it could | 6 |
|
| 4 | [vb base] how it could | 6 |
|
