| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] have [vb pp] | 14875 |
|
| 2 | should have [vb pp] | 4087 |
|
| 3 | should [adv] have | 1774 |
|
| 4 | should [adv] [vb pp] | 10 |
|
