| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [be] a [noun sg] | 862 |
|
| 2 | [be] [vb pp] a [noun sg] | 839 |
|
| 3 | may [be] [vb pp] a | 71 |
|
| 4 | may [be] [vb pp] [noun sg] | 63 |
|
