SN4 ""

No	Pattern	Freq
1	for [det] years	2821
2	[prep] many years	2188
3	[prep] several years	731
4	[prep] some years	546
5	in [det] years	251
6	over [det] years	239
7	[prep] these years	220
8	of [det] years	188
9	[prep] those years	161
10	after [det] years	151
11	during [det] years	116
12	[prep] this years	28
13	until [det] years	28
14	by [det] years	24
15	from [det] years	22
16	[prep] most years	21
17	to [det] years	20
18	with [det] years	19
19	[prep] all years	14
20	on [det] years	10
21	through [det] years	10
22	throughout [det] years	9
23	[prep] few years	8
24	[prep] former years	8
25	[prep] more years	8
26	past [det] years	7
27	at [det] years	7
28	[prep] that years	6