| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [Wh adv] [vb mod] | 511 |
|
| 2 | and [Wh adv] [modal v] | 511 |
|
| 3 | and [adv] could | 246 |
|
| 4 | [conj] [Wh adv] could | 206 |
|
| 5 | [coord] [Wh adv] could | 200 |
|
| 6 | and [Wh adv] could | 54 |
|
| 7 | and [Wh adv] could | 54 |
|
