| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [not/n't] [vb infin] | 4877 |
|
| 2 | should i [vb infin] | 837 |
|
| 3 | [not/n't] i [vb infin] | 544 |
|
| 4 | should [not/n't] i | 123 |
|
