| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | about what happen [prep] | 75 |
|
| 2 | about [Wh det] happen [prep] | 75 |
|
| 3 | about [Wh det] happened [prep] | 50 |
|
| 4 | about [Wh det] happen to | 36 |
|
| 5 | about [Wh det] happen to | 36 |
|
| 6 | about [Wh det] happens [prep] | 25 |
|
| 7 | about [Wh det] happen in | 18 |
|
| 8 | about [Wh det] happen in | 18 |
|
| 9 | about [Wh det] happen at | 9 |
|
| 10 | about [Wh det] happen at | 9 |
|
