| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [verb] a | 31570 |
|
| 2 | [conj] [verb] at | 8429 |
|
| 3 | [verb] at a | 7173 |
|
| 4 | [conj] at a | 759 |
|
