| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [verb] [adv prt] | 416 |
|
| 2 | [modal v] have been [verb] [adj] | 251 |
|
| 3 | have been [verb] [adv prt] [adj] | 172 |
|
| 4 | [modal v] have [verb] [adv prt] [adj] | 143 |
|
