| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [vb mod] [adv] | 6490 |
|
| 2 | [conj] [modal v] [adv] | 6490 |
|
| 3 | [conj] could [adv] | 2196 |
|
| 4 | [conj] could [adv] | 850 |
|
