| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may be [vb pp] for a | 53 |
|
| 2 | may be [vb pp] for a | 53 |
|
| 3 | may [be] [vb pp] for a | 53 |
|
| 4 | may [be] [vb pp] for a | 44 |
|
| 5 | may [be] [vb pp] for an | 9 |
|
| 6 | may [be] used for a | 5 |
|
