| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] should have [been] [adv] at | 6 |
|
| 2 | [pers pn] should have [been] [adv] at | 5 |
|
| 3 | should have [been] [adv] at [adj] | 5 |
|
