| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [vb mod] be | 939 |
|
| 2 | then [vb mod] be | 78 |
|
| 3 | then [vb base] [vb mod] | 28 |
|
| 4 | then [vb base] be | 25 |
|
