| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] a | 59467 |
|
| 2 | then [prep] [art] | 2057 |
|
| 3 | then [prep] [art] | 2057 |
|
| 4 | then [prep] a | 579 |
|
