| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [verb] [conj] [art] | 3280 |
|
| 2 | it [be] often [verb] [conj] | 181 |
|
| 3 | [be] often [verb] [conj] [art] | 80 |
|
| 4 | it often [verb] [conj] [art] | 17 |
|
| 5 | it [be] often [verb] [art] | 10 |
|
