| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [adv] | 2829 |
|
| 2 | should have been [adv] | 222 |
|
| 3 | should have [been] [adv] | 197 |
|
| 4 | should have be [adv] | 197 |
|
| 5 | should have [be] [adv] | 197 |
|
| 6 | should [verb] been [adv] | 197 |
|
