| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [pron] could | 4860 |
|
| 2 | how [adv] [pron] | 3052 |
|
| 3 | how [pron] could | 551 |
|
| 4 | how [adv] could | 70 |
|
