| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] [adj] | 84548 |
|
| 2 | then [vb pp] [prep] | 3562 |
|
| 3 | then [prep] [adj] | 226 |
|
| 4 | then [vb pp] [adj] | 63 |
|
