| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [prep] [art] [num ord] | 1031 |
|
| 2 | then [vb base] [prep] [art] | 645 |
|
| 3 | then [prep] [art] [num ord] | 110 |
|
| 4 | then [vb base] [art] [num ord] | 43 |
|
