SN4 ""

No	Pattern	Freq
1	[prep] [adv] [adj] years	2652
2	[prep] [adv] [num] years	2406
3	for [adv] [adj] years	1415
4	for [adv] [adj] years	1415
5	[prep] over [adj] years	638
6	at [adv] [adj] years	571
7	at [adv] [adj] years	571
8	[prep] least [adj] years	544
9	[prep] nearly [adj] years	380
10	[prep] about [adj] years	371
11	[prep] [adv] two years	358
12	[prep] [adv] two years	358
13	[prep] almost [adj] years	204
14	[prep] [adv] three years	197
15	[prep] [adv] three years	197
16	of [adv] [adj] years	195
17	of [adv] [adj] years	195
18	[prep] [adv] [det] years	176
19	in [adv] [adj] years	174
20	in [adv] [adj] years	174
21	[prep] [adv] many years	168
22	[prep] [adv] many years	168
23	[prep] [adv] five years	155
24	[prep] [adv] five years	155
25	[prep] [adv] 20 years	132
26	[prep] [adv] 20 years	132
27	[prep] [adv] ten years	129
28	[prep] [adv] ten years	129
29	[prep] [adv] twenty years	123
30	[prep] [adv] twenty years	123