| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adj] [prep] | 1644 |
|
| 2 | [verb] been possible [prep] | 97 |
|
| 3 | have been possible [prep] | 97 |
|
| 4 | have [be] possible [prep] | 63 |
|
| 5 | [vb infin] been possible [prep] | 63 |
|
| 6 | have be possible [prep] | 63 |
|
| 7 | have [been] possible [prep] | 63 |
|
