| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] [pers pn] should have [be] [prep] | 5 |
|
| 2 | [Wh adv] [pers pn] should have be [prep] | 5 |
|
| 3 | [Wh adv] [pers pn] should have [been] [prep] | 5 |
|
| 4 | [Wh adv] [pers pn] should have [be] [prep] | 5 |
|
| 5 | [Wh adv] [pers pn] should have been [prep] | 5 |
|
