SN4 ""

No	Pattern	Freq
1	[noun] for [num] years	2949
2	[noun sg] for [adj] years	2828
3	[noun] for [det] years	1082
4	[noun] for many years	699
5	[noun] for many years	699
6	[noun prp] for [adj] years	603
7	[noun pl] for [adj] years	578
8	[noun] for two years	335
9	[noun] for two years	335
10	[noun] for three years	267
11	[noun] for three years	267
12	[noun] for five years	223
13	[noun] for five years	223
14	[noun] for several years	214
15	[noun] for several years	214
16	[noun] for four years	157
17	[noun] for four years	157
18	[noun] for ten years	150
19	[noun] for ten years	150
20	[noun] for some years	149
21	[noun] for some years	149
22	[noun] for 20 years	127
23	[noun] for 20 years	127
24	[noun] for six years	95
25	[noun] for six years	95
26	[noun] for 30 years	81
27	[noun] for 30 years	81
28	[noun] for seven years	79
29	[noun] for seven years	79
30	[noun] for 10 years	76