| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be grouped into | 17 |
|
| 2 | can be grouped into | 9 |
|
| 3 | can be grouped into | 9 |
|
| 4 | may be grouped into | 5 |
|
| 5 | may be grouped into | 5 |
|
