| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not [vb infin] of | 813 |
|
| 2 | should not [vb infin] [prep] | 551 |
|
| 3 | should [adv] [vb infin] of | 27 |
|
| 4 | should not [verb] of | 13 |
|
