| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] only be carried | 27 |
|
| 2 | [vb mod] only [be] carried | 27 |
|
| 3 | can only [be] carried | 11 |
|
| 4 | should only [be] carried | 8 |
|
| 5 | may only [be] carried | 5 |
|
