| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they should [be] [verb] at | 16 |
|
| 2 | they should [be] [verb] at | 16 |
|
| 3 | they should be [verb] at | 16 |
|
| 4 | they should be [verb] at | 16 |
|
| 5 | they should [verb] at [noun] | 5 |
|
