| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what happened [adv] | 187 |
|
| 2 | [Wh det] happened then | 56 |
|
| 3 | [Wh det] happened there | 20 |
|
| 4 | [Wh det] happened here | 18 |
|
| 5 | which happened [adv] | 16 |
|
| 6 | [Wh det] happened today | 10 |
|
| 7 | [Wh det] happened afterwards | 9 |
|
| 8 | [Wh det] happened yesterday | 9 |
|
| 9 | [Wh det] happened later | 7 |
|
| 10 | [Wh det] happened immediately | 7 |
|
| 11 | [Wh det] happened before | 5 |
|
