| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but they [modal v] [verb] | 603 |
|
| 2 | because they [modal v] [verb] | 338 |
|
| 3 | but because they [verb] | 110 |
|
| 4 | but because they [modal v] | 14 |
|
