| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [adv] [prep] | 92009 |
|
| 2 | then [vb pp] [prep] | 3562 |
|
| 3 | then [adv] [prep] | 1000 |
|
| 4 | then [vb pp] [adv] | 663 |
|
