| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [adv] be [vb pp] to | 273 |
|
| 2 | should not be [vb pp] to | 131 |
|
| 3 | not [adv] be [vb pp] to | 81 |
|
| 4 | should not [adv] be [vb pp] | 69 |
|
