| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb mod] be [vb pp] [adj] | 29 |
|
| 2 | [adv] should be [vb pp] [adj] | 6 |
|
| 3 | [adv] may be [vb pp] [adj] | 5 |
|
| 4 | [adv] must be [vb pp] [adj] | 5 |
|
