| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [verb] [adv] of | 174 |
|
| 2 | should [vb infin] [verb] [adv] [prep] | 163 |
|
| 3 | should [verb] [verb] [adv] of | 9 |
|
