SN4 ""

No	Pattern	Freq
1	[verb] whether it	971
2	[vb infin] whether it	360
3	[to-vb] whether it	238
4	know whether it	234
5	know whether it	189
6	wonder whether it	122
7	[v-ing] whether it	108
8	[vb base] whether it	102
9	decide whether it	89
10	[vb past] whether it	77
11	see whether it	77
12	consider whether it	64
13	ask whether it	53
14	to see whether it	52
15	[vb -s] whether it	45
16	[vb pp] whether it	41
17	wondered whether it	39
18	to decide whether it	36
19	wondering whether it	35
20	determine whether it	32
21	doubt whether it	24
22	say whether it	24
23	tell whether it	24
24	to consider whether it	22
25	to determine whether it	21
26	decide whether it	21
27	wonder whether it	21
28	question whether it	20
29	matter whether it	20
30	matter whether it	18