| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [adv] happened [prep] | 40 |
|
| 2 | what [adv] happened to | 18 |
|
| 3 | what [adv] happened to | 18 |
|
| 4 | what really happened [prep] | 11 |
|
| 5 | what [adv] happened in | 10 |
|
| 6 | what [adv] happened in | 10 |
|
| 7 | what actually happened [prep] | 10 |
|
| 8 | what ever happened [prep] | 5 |
|
| 9 | what [adv] happened at | 5 |
|
| 10 | what [adv] happened at | 5 |
|
