| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [vb pp] about [conj] | 12 |
|
| 2 | [prep] be [vb pp] [prep] whether | 10 |
|
| 3 | [prep] be [verb] about whether | 5 |
|
| 4 | [prep] be [vb pp] about whether | 5 |
|
| 5 | [prep] [be] [vb pp] about whether | 5 |
|
