| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it should [vb infin] | 500 |
|
| 2 | it should [not/n't] [vb infin] | 226 |
|
| 3 | [conj] it should [not/n't] | 213 |
|
| 4 | [conj] should [not/n't] [vb infin] | 136 |
|
