| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [verb] [be] | 2962 |
|
| 2 | [vb mod] [verb] [is] | 1944 |
|
| 3 | [modal v] [verb] [is] | 1944 |
|
| 4 | may [verb] [is] | 54 |
|
