| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it [be] [verb] | 1197 |
|
| 2 | it [be] often [verb] | 437 |
|
| 3 | but it [be] often | 40 |
|
| 4 | but it often [verb] | 18 |
|
| 5 | but [be] often [verb] | 17 |
|
