| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may be [adj] | 9370 |
|
| 2 | may be [adj] | 8098 |
|
| 3 | [modal v] be present | 259 |
|
| 4 | [vb mod] be present | 259 |
|
| 5 | may be present | 94 |
|
| 6 | may be present | 94 |
|
| 7 | may [be] present | 94 |
|
| 8 | may [be] present | 94 |
|
| 9 | may be present | 94 |
|
