| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [to-vb] [prep] | 2385 |
|
| 2 | possible [to-vb] [prep] | 704 |
|
| 3 | [was/were] possible [to-vb] | 431 |
|
| 4 | [was/were] possible [prep] | 242 |
|
