| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] a | 109758 |
|
| 2 | [pron] then [verb] | 4060 |
|
| 3 | then [verb] a | 2149 |
|
| 4 | [pron] then a | 13 |
|
