| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [is] [verb] to happen to the | 11 |
|
| 2 | what [is] [v-ing] [to-vb] to the | 11 |
|
| 3 | what [is] go [to-vb] to the | 11 |
|
| 4 | what [is] going [to-vb] to the | 10 |
|
| 5 | what 's [verb] [to-vb] to the | 9 |
|
