| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [verb] to have [been] [adv] | 9 |
|
| 2 | [vb mod] be [verb] to have [been] [adv] | 9 |
|
| 3 | [adv] be [verb] to have [been] [adv] | 7 |
|
| 4 | [adv] be [verb] to have [been] [adv] | 5 |
|
| 5 | be [verb] to have [been] [verb] [adv] | 6 |
|
| 6 | be [verb] to have [been] [adv] [vb pp] | 11 |
|
| 7 | be [verb] to have [been] [adv] [verb] | 11 |
|
| 8 | be [verb] to have [been] [adv] [adj] | 5 |
|
| 9 | be [verb] to have [been] [adv] [adj] | 5 |
|
