| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [vb past] therefore [vb pp] | 8 |
|
| 2 | and [vb past] therefore [vb pp] | 8 |
|
| 3 | [conj] had therefore [vb pp] | 8 |
|
| 4 | and [vb past] therefore [vb pp] | 8 |
|
