| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it could [verb] | 807 |
|
| 2 | because it [modal v] [verb] | 426 |
|
| 3 | because it [vb mod] [verb] | 426 |
|
| 4 | because [pron] could [verb] | 204 |
|
| 5 | because it could [verb] | 22 |
|
