| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [verb] happened to | 514 |
|
| 2 | [Wh det] have happen to | 513 |
|
| 3 | what [verb] happen to | 507 |
|
| 4 | [Wh det] [vb -s] happen to | 306 |
|
| 5 | [Wh det] [vb past] happen to | 216 |
|
| 6 | [Wh det] had happen to | 208 |
|
| 7 | [Wh det] 's happen to | 169 |
|
| 8 | [Wh det] has happen to | 134 |
|
| 9 | whatever [verb] happen to | 10 |
|
| 10 | [Wh det] [verb] happen to | 9 |
|
| 11 | [Wh det] do happen to | 9 |
|
| 12 | [Wh det] did happen to | 7 |
|
| 13 | which [verb] happen to | 7 |
|
