| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [vb mod] [verb] at a | 10 |
|
| 2 | [conj] [modal v] [vb infin] at a | 10 |
|
| 3 | [coord] [modal v] [verb] at a | 6 |
|
| 4 | and [modal v] [verb] at a | 5 |
|
| 5 | and [modal v] [verb] at a | 5 |
|
