SN4 ""

No	Pattern	Freq
1	[prep] years of [noun]	297
2	[prep] years of [noun sg]	278
3	after years of [noun]	110
4	of years of [noun]	73
5	[prep] years of neglect	19
6	[prep] years of neglect	19
7	by years of [noun]	19
8	[prep] years of experience	19
9	[prep] years of experience	19
10	with years of [noun]	17
11	[prep] years of [noun pl]	15
12	to years of [noun]	14
13	in years of [noun]	12
14	[prep] years of evolution	11
15	through years of [noun]	11
16	[prep] years of evolution	11
17	from years of [noun]	9
18	on years of [noun]	7
19	[prep] years of service	6
20	[prep] years of service	6
21	[prep] years of war	6
22	[prep] years of war	6
23	[prep] years of work	6
24	[prep] years of study	6
25	[prep] years of study	6
26	[prep] years of work	6
27	despite years of [noun]	5
28	[prep] years of struggle	5
29	for years of [noun]	5
30	[prep] years of struggle	5