| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] whether it had | 20 |
|
| 2 | [vb infin] whether it [vb past] | 14 |
|
| 3 | [vb past] whether it [vb past] | 11 |
|
| 4 | [to-vb] whether it [vb past] | 10 |
|
| 5 | wonder whether it [vb past] | 9 |
|
| 6 | know whether it [vb past] | 9 |
|
| 7 | [v-ing] whether it [vb past] | 8 |
|
| 8 | know whether it [vb past] | 7 |
|
| 9 | wondered whether it [vb past] | 6 |
|
| 10 | ask whether it [vb past] | 5 |
|
| 11 | decide whether it [vb past] | 5 |
|
