| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [verb] [conj] | 1553 |
|
| 2 | [modal v] therefore [verb] [conj] | 84 |
|
| 3 | it [modal v] therefore [verb] | 72 |
|
| 4 | it therefore [verb] [conj] | 49 |
|
