| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [be] whether | 22 |
|
| 2 | [vb infin] be whether | 22 |
|
| 3 | [vb infin] is whether | 19 |
|
| 4 | [vb infin] [is] whether | 19 |
|
| 5 | decide [be] whether | 5 |
|
