| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] as [art] | 1389 |
|
| 2 | [modal v] therefore [verb] [art] | 257 |
|
| 3 | therefore [verb] as [art] | 54 |
|
| 4 | [modal v] therefore [verb] as | 15 |
|
