| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [not/n't] [vb infin] | 4877 |
|
| 2 | [not/n't] [vb infin] of | 1343 |
|
| 3 | should [vb infin] of | 136 |
|
| 4 | should [not/n't] of | 43 |
|
