| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [verb] at [art] | 115 |
|
| 2 | should [vb infin] at [art] | 115 |
|
| 3 | should [verb] at the | 98 |
|
| 4 | should look at [art] | 39 |
|
| 5 | should look at [art] | 39 |
|
| 6 | should [verb] at a | 13 |
|
