| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [prep] this [noun] | 160 |
|
| 2 | possible [prep] this [noun] | 62 |
|
| 3 | been possible [prep] [noun] | 18 |
|
| 4 | been possible [prep] this | 7 |
|
