| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb pp] [prep] [art] | 49420 |
|
| 2 | then [vb pp] [prep] [art] | 1642 |
|
| 3 | [adv] then [prep] [art] | 65 |
|
| 4 | [adv] then [vb pp] [prep] | 40 |
|
