| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [verb] [prep] the | 2833 |
|
| 2 | should be [verb] at the | 151 |
|
| 3 | be [verb] at [prep] the | 123 |
|
| 4 | should be [verb] at [prep] | 15 |
|
