| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] often [be] | 49 |
|
| 2 | it [vb mod] often be | 49 |
|
| 3 | it can often [be] | 20 |
|
| 4 | it will often [be] | 17 |
|
| 5 | it may often [be] | 7 |
|
| 6 | it would often [be] | 5 |
|
