| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [verb] [adv] a | 56 |
|
| 2 | should [vb infin] [adv] a | 56 |
|
| 3 | should [verb] [adv] a | 54 |
|
| 4 | should [verb] either a | 23 |
|
| 5 | should specify [adv] a | 20 |
|
| 6 | should specify [adv] a | 20 |
|
| 7 | should have [adv] a | 7 |
|
| 8 | should have [adv] a | 7 |
|
| 9 | should [verb] only a | 7 |
|
