| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been possible [prep] the [noun] | 21 |
|
| 2 | have been possible [prep] the [noun sg] | 15 |
|
| 3 | have been possible without the [noun] | 11 |
|
| 4 | have been possible for the [noun] | 7 |
|
