| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it [adv] [verb] | 1272 |
|
| 2 | but it [adv] [verb] | 1271 |
|
| 3 | [conj] it often [verb] | 77 |
|
| 4 | but [pron] often [verb] | 69 |
|
| 5 | but it often [verb] | 18 |
|
