| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [vb -s] [verb] i | 63 |
|
| 2 | [Wh det] [vb -s] [vb pp] i | 49 |
|
| 3 | [Wh det] [vb -s] happened [pron] | 16 |
|
| 4 | [Wh det] [verb] happened i | 8 |
|
| 5 | [pron] [vb -s] happened i | 7 |
|
| 6 | [Wh det] [vb -s] happen i | 5 |
|
