| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [conj] do occur | 7 |
|
| 2 | [modal v] and [verb] occur | 7 |
|
| 3 | [vb mod] [conj] [verb] occur | 7 |
|
| 4 | [modal v] and [verb] occur | 7 |
|
| 5 | [modal v] [coord] [verb] occur | 7 |
|
| 6 | can [conj] [verb] occur | 6 |
|
| 7 | can [conj] [verb] occur | 6 |
|
