| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] only [be] understood in | 25 |
|
| 2 | [vb mod] only be understood in | 25 |
|
| 3 | [vb mod] only [be] understood in | 25 |
|
| 4 | can only [be] understood in | 24 |
|
