| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it seemed [adj] | 704 |
|
| 2 | it [verb] impossible | 125 |
|
| 3 | it [vb past] impossible | 77 |
|
| 4 | it seem impossible | 69 |
|
| 5 | [pron] seemed impossible | 45 |
|
| 6 | [pers pn] seemed impossible | 42 |
|
| 7 | it seemed impossible | 42 |
|
