| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this [vb mod] be explained | 36 |
|
| 2 | this [vb mod] be explained | 36 |
|
| 3 | this can be explained | 12 |
|
| 4 | this may be explained | 6 |
|
| 5 | this could be explained | 5 |
|
| 6 | this will be explained | 5 |
|
