| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [prep] the | 363 |
|
| 2 | [modal v] be at the | 355 |
|
| 3 | should be at [art] | 54 |
|
| 4 | should [be] at the | 42 |
|
| 5 | should be at the | 42 |
|
| 6 | should [be] at the | 42 |
|
