| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [adj] [prep] [pron] [to-vb] | 252 |
|
| 2 | it [be] important [prep] [pron] [to-vb] | 61 |
|
| 3 | [pron] [was/were] important [prep] [pron] [to-vb] | 13 |
|
| 4 | it [was/were] important [prep] [pron] [verb] | 13 |
|
