| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [adv] be [verb] at | 83 |
|
| 2 | [modal v] [adv] be look at | 47 |
|
| 3 | should [adv] be look [prep] | 18 |
|
| 4 | should [adv] [be] look at | 13 |
|
