| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have so far [vb pp] | 32 |
|
| 2 | which has so far [verb] | 19 |
|
| 3 | which have so far [verb] | 7 |
|
| 4 | which had so far [verb] | 6 |
|
