| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can only [vb infin] [be] a | 6 |
|
| 2 | can only [verb] [be] a | 6 |
|
| 3 | can only [verb] be a | 6 |
|
| 4 | can only [verb] [be] a | 5 |
|
