| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [vb infin] be whether | 8 |
|
| 2 | not [vb infin] [be] whether | 8 |
|
| 3 | not [vb infin] is whether | 7 |
|
| 4 | not [vb infin] [is] whether | 7 |
|
