| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [adv] [vb past] what have happen | 7 |
|
| 2 | [pers pn] [adv] [vb past] what [verb] happen | 7 |
|
| 3 | [pers pn] [adv] [vb past] what [vb past] happen | 7 |
|
| 4 | [pers pn] [adv] [vb past] what had happen | 7 |
|
| 5 | [pers pn] [adv] [vb past] what [was/were] happen | 5 |
|
| 6 | [pers pn] [adv] [vb past] what be happen | 5 |
|
| 7 | [pers pn] [adv] [vb past] what [be] happen | 5 |
|
| 8 | [pers pn] [adv] [vb past] what was happen | 5 |
|
