| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] therefore only [vb infin] | 13 |
|
| 2 | [vb mod] therefore only [vb infin] | 13 |
|
| 3 | can therefore only [vb infin] | 6 |
|
| 4 | can therefore only [vb infin] | 6 |
|
| 5 | therefore only [vb infin] [prep] | 5 |
|
| 6 | therefore only [vb infin] [prep] | 5 |
|
