| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] so far [subord] [verb] | 37 |
|
| 2 | [vb -s] so far [subord] [verb] | 27 |
|
| 3 | [vb -s] [vb pp] so far [subord] | 10 |
|
