| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] should [not/n't] [verb] | 666 |
|
| 2 | [conj] [pron] [modal v] [not/n't] happen | 32 |
|
| 3 | [conj] [pron] should [adv] happen | 11 |
|
