| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it be often [adj] [verb] | 8 |
|
| 2 | but it be often [adj] [verb] | 6 |
|
| 3 | but it be often difficult [verb] | 5 |
|
| 4 | but it be often difficult [verb] | 5 |
|
| 5 | but it be often [verb] [conj] | 6 |
|
