| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] what was [verb] to | 20 |
|
| 2 | [vb infin] what was [v-ing] to | 16 |
|
| 3 | [vb infin] what was happen to | 15 |
|
| 4 | [vb infin] what was happening to | 15 |
|
| 5 | know what was [verb] to | 7 |
|
