| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may be [verb] to | 947 |
|
| 2 | [vb mod] be refer to | 257 |
|
| 3 | [modal v] be refer to | 257 |
|
| 4 | may be refer [prep] | 51 |
|
| 5 | may be refer [prep] | 51 |
|
| 6 | may be refer to | 46 |
|
| 7 | may be refer to | 46 |
|
| 8 | may [be] refer to | 46 |
|
| 9 | may be refer to | 46 |
|
| 10 | may [be] refer to | 46 |
|
