SN4 ""

No	Pattern	Freq
1	[prep] [det] [num] years	471
2	for [det] [adj] years	337
3	[prep] [det] [det] years	228
4	[prep] all [adj] years	189
5	[prep] another [adj] years	184
6	[prep] some [adj] years	159
7	in [det] [adj] years	137
8	[prep] [det] [adj] years	137
9	after [det] [adj] years	131
10	[prep] [det] these years	125
11	[prep] [det] these years	125
12	[prep] those [adj] years	117
13	[prep] these [adj] years	102
14	of [det] [adj] years	84
15	[prep] [det] two years	58
16	[prep] [det] two years	58
17	[prep] [det] those years	52
18	[prep] [det] those years	52
19	during [det] [adj] years	45
20	[prep] many [adj] years	41
21	[prep] [det] early years	39
22	[prep] [det] three years	38
23	[prep] [det] three years	38
24	[prep] [det] early years	37
25	[prep] [det] five years	34
26	[prep] [det] five years	34
27	[prep] several [adj] years	31
28	[prep] [det] twenty years	31
29	[prep] [det] twenty years	31
30	over [det] [adj] years	29