| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] often [verb] [prep] | 123 |
|
| 2 | [be] often [verb] to [prep] | 74 |
|
| 3 | it [be] [verb] to [prep] | 29 |
|
| 4 | it [be] often [verb] to | 25 |
|
