No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] whether [to-vb] [art] | 70 | |
2 | [prep] whether [to-vb] [art] | 70 | |
3 | [prep] [conj] [to-vb] a | 38 | |
4 | [prep] [subord] [to-vb] a | 35 | |
5 | [prep] whether [to-vb] a | 27 | |
6 | [prep] whether [to-vb] a | 21 | |
7 | [prep] whether [verb] a | 21 |