| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [vb infin] at least [art] [adj] | 7 |
|
| 2 | should [vb infin] at [adv] [art] [adj] | 7 |
|
| 3 | should [vb infin] at least [art] [adj] | 7 |
|
| 4 | should [vb infin] at [adv] [art] [adj] | 7 |
|
| 5 | should [vb infin] at [adv] [art] [adj] | 7 |
|
| 6 | should [vb infin] at [adv] [art] [adj] | 6 |
|
| 7 | should [vb infin] at [adv] a [adj] | 5 |
|
