SN4 ""

No	Pattern	Freq
1	[verb] whether to	38
2	[vb infin] whether to	20
3	know whether to	15
4	know whether to	12
5	decide whether to	12
6	[to-vb] whether to	9
7	[adj] whether to	8
8	[adj] whether to	8
9	decide whether to	6
10	[adv] whether to	5
11	[coord] whether to	5
12	[conj] whether to	5
13	whether [verb] to	49
14	whether [to-vb] to	38
15	whether [noun] to	23
16	whether [noun sg] to	14
17	whether [adj] to	13
18	whether [adj] to	13
19	whether [conj] to	11
20	whether [coord] to	10
21	whether and to	9
22	whether and to	9
23	whether [noun pl] to	9
24	whether due to	8
25	whether return to	8
26	whether due to	8
27	whether to go to	8
28	whether go to	8
29	whether to return to	7
30	whether [v-ing] to	7