| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may be [vb pp] to | 900 |
|
| 2 | may be [adj] to | 702 |
|
| 3 | be [vb pp] [adj] to | 508 |
|
| 4 | may be [vb pp] [adj] | 247 |
|
