| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [to-vb] and [verb] whether | 7 |
|
| 2 | [vb infin] [to-vb] [coord] [verb] whether | 7 |
|
| 3 | [vb infin] [to-vb] and [verb] whether | 7 |
|
| 4 | have [to-vb] [conj] [verb] whether | 7 |
|
| 5 | [vb infin] [to-vb] [conj] see whether | 7 |
|
| 6 | [vb infin] [to-vb] [conj] [vb infin] whether | 7 |
|
| 7 | [vb infin] [to-vb] [conj] [verb] whether | 7 |
|
| 8 | [vb infin] [to-vb] [conj] see whether | 7 |
|
| 9 | [vb infin] to wait [conj] [verb] whether | 6 |
|
