| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [modal v] | 25600 |
|
| 2 | [conj] [modal v] therefore | 357 |
|
| 3 | it [modal v] therefore | 234 |
|
| 4 | [conj] it therefore | 39 |
|
