| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [adv] to be | 390 |
|
| 2 | should be [vb pp] [adv] to | 142 |
|
| 3 | should be [vb pp] to be | 73 |
|
| 4 | should be [vb pp] [adv] be | 5 |
|
