| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] could therefore be [vb pp] [prep] | 8 |
|
| 2 | [noun sg] could therefore be [vb pp] [prep] | 6 |
|
| 3 | could therefore be [vb pp] [prep] [art] | 7 |
|
| 4 | could therefore be [vb pp] [prep] [art] | 7 |
|
