| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been possible [prep] [det] [noun] | 11 |
|
| 2 | [been] possible [prep] [det] [noun sg] | 9 |
|
| 3 | [been] possible [prep] this [noun] | 6 |
|
| 4 | [been] possible for [det] [noun] | 5 |
|
