| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been [adv prt] to | 15 |
|
| 2 | [modal v] have been [adv prt] to | 14 |
|
| 3 | [modal v] have been up to | 8 |
|
| 4 | would have been [adv prt] to | 6 |
|
| 5 | would have been [adv prt] to | 5 |
|
