| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have so far | 49 |
|
| 2 | [Wh det] has so far | 31 |
|
| 3 | [Wh det] have so far | 17 |
|
| 4 | [Wh det] had so far | 7 |
|
| 5 | what have so far | 6 |
|
