| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [not/n't] be | 4205 |
|
| 2 | should be [prep] | 1400 |
|
| 3 | [not/n't] be [prep] | 1230 |
|
| 4 | should [not/n't] [prep] | 76 |
|
