| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] could people [verb] | 7 |
|
| 2 | how could people [verb] | 6 |
|
| 3 | how could people [verb] | 6 |
|
| 4 | [Wh adv] could people [verb] | 6 |
|
| 5 | [adv] could people [vb base] | 5 |
|
