| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should not be [vb pp] [verb] | 290 |
|
| 2 | should not be [verb] to | 140 |
|
| 3 | should not be [vb pp] to | 131 |
|
| 4 | should be [vb pp] [verb] to | 67 |
|
| 5 | not be [vb pp] [verb] to | 43 |
|
