| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] have been [adj] | 918 |
|
| 2 | [modal v] [adv] have been [prep] | 235 |
|
| 3 | [modal v] have been [prep] [adj] | 71 |
|
| 4 | [adv] have been [prep] [adj] | 27 |
|
