| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but you should [adv] have | 8 |
|
| 2 | but you should [not/n't] have | 7 |
|
| 3 | but you should not have | 7 |
|
| 4 | but you should n't have | 6 |
|
| 5 | but you should have [verb] | 14 |
|
| 6 | but you should have [vb pp] | 14 |
|
| 7 | but you should have seen | 5 |
|
| 8 | but you should have see | 5 |
|
