| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [adv] be [vb pp] | 4363 |
|
| 2 | should not be [vb pp] | 2510 |
|
| 3 | not [adv] be [vb pp] | 1046 |
|
| 4 | should not [adv] be | 141 |
|
