| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [adv] be [vb pp] to [prep] | 5 |
|
| 2 | may [adv] be [verb] to [prep] | 5 |
|
| 3 | may [adv] be referred to [prep] | 5 |
|
| 4 | may [adv] be refer to [prep] | 5 |
|
