SN4 ""

No	Pattern	Freq
1	[verb] whether a	500
2	[prep] whether a	224
3	[prep] whether a	224
4	[to-vb] whether a	186
5	[v-ing] whether a	110
6	decide whether a	92
7	determine whether a	91
8	[vb infin] whether a	83
9	[conj] whether a	80
10	[noun] whether a	77
11	of whether a	73
12	of whether a	73
13	to whether a	69
14	[coord] whether a	69
15	[noun sg] whether a	69
16	to whether a	69
17	[be] whether a	63
18	be whether a	63
19	[vb base] whether a	46
20	[is] whether a	45
21	is whether a	45
22	[adj] whether a	42
23	[adj] whether a	40
24	consider whether a	38
25	question whether a	37
26	question whether a	37
27	deciding whether a	36
28	to determine whether a	35
29	or whether a	34
30	[adv] whether a	34