| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] [vb infin] for [art] | 616 |
|
| 2 | should [adv] [vb infin] [prep] [art] | 338 |
|
| 3 | should [adv] [verb] for [art] | 29 |
|
| 4 | should [adv] [vb infin] for [art] | 29 |
|
