SN4 ""

No	Pattern	Freq
1	[art] [noun sg] of how	1303
2	the [noun sg] of how	640
3	a [noun sg] of how	305
4	an [noun sg] of how	288
5	[art] question of how	240
6	[art] problem of how	102
7	[art] story of how	73
8	[art] idea of how	68
9	[art] example of how	67
10	no [noun sg] of how	65
11	[art] indication of how	54
12	[art] understanding of how	38
13	[art] issue of how	36
14	[art] measure of how	33
15	[art] account of how	33
16	[art] study of how	22
17	[art] explanation of how	22
18	[art] matter of how	22
19	[art] knowledge of how	19
20	[art] sense of how	16
21	[art] reminder of how	13
22	[art] theory of how	12
23	[art] analysis of how	11
24	[art] illustration of how	11
25	[art] consideration of how	10
26	[art] description of how	10
27	[art] basis of how	10
28	[art] memory of how	10
29	[art] discussion of how	10
30	[art] examination of how	9