| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] what be [v-ing] happen to | 6 |
|
| 2 | [vb past] what was [v-ing] happen to | 6 |
|
| 3 | [vb past] what be going happen to | 6 |
|
| 4 | [vb past] what be [v-ing] to happen to | 6 |
|
