| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [adv] have to go | 5 |
|
| 2 | should [not/n't] have to go | 5 |
|
| 3 | should not have to go | 5 |
|
| 4 | should [adv] have to go | 5 |
|
