| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] in a | 2552 |
|
| 2 | may be [vb pp] in | 1265 |
|
| 3 | may be [vb pp] a | 88 |
|
| 4 | may be in a | 56 |
|
