SN4 ""

No	Pattern	Freq
1	[prep] over [adj] years	638
2	[prep] over [adj] years	638
3	[prep] over [num] years	638
4	for over [adj] years	557
5	for over [adj] years	557
6	[prep] over 20 years	61
7	[prep] over 20 years	61
8	[prep] over twenty years	53
9	[prep] over twenty years	53
10	[prep] over 30 years	53
11	[prep] over 30 years	53
12	[prep] over two years	45
13	[prep] over two years	45
14	[prep] over thirty years	32
15	[prep] over ten years	32
16	[prep] over ten years	32
17	[prep] over thirty years	32
18	of over [adj] years	30
19	of over [adj] years	30
20	[prep] over 100 years	27
21	[prep] over 100 years	27
22	[prep] over 40 years	26
23	[prep] over 40 years	26
24	[prep] over 10 years	24
25	[prep] over 10 years	24
26	with over [adj] years	23
27	with over [adj] years	23
28	[prep] over forty years	22
29	[prep] over forty years	22
30	[prep] over three years	19