| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [modal v] [verb] a | 777 |
|
| 2 | [coord] [verb] at a | 308 |
|
| 3 | [modal v] [verb] at a | 270 |
|
| 4 | [coord] [modal v] [verb] at | 112 |
|
