| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [verb] whether [to-vb] | 12 |
|
| 2 | i [vb base] [subord] [to-vb] | 7 |
|
| 3 | i [vb past] [subord] [to-vb] | 7 |
|
| 4 | i wonder [subord] [to-vb] | 5 |
|
