| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] [art] | 396892 |
|
| 2 | then [vb pp] [prep] | 3560 |
|
| 3 | then [prep] [art] | 2057 |
|
| 4 | then [vb pp] [art] | 202 |
|
