| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | so what happen to | 25 |
|
| 2 | so what [vb past] to | 18 |
|
| 3 | so what happened to | 17 |
|
| 4 | so what [vb -s] to | 8 |
|
| 5 | so what happens to | 8 |
|
