| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb past] to [noun pl] | 48 |
|
| 2 | [Wh det] led to [noun pl] | 22 |
|
| 3 | [Wh det] happened to [noun pl] | 16 |
|
| 4 | what [vb past] to [noun pl] | 14 |
|
| 5 | whatever [vb past] to [noun pl] | 5 |
|
| 6 | [Wh det] related to [noun pl] | 5 |
|
