SN4 ""

No	Pattern	Freq
1	[art] [noun] [prep] three years	189
2	[art] [noun sg] [prep] three years	176
3	[art] [noun] of three years	97
4	the [noun] [prep] three years	92
5	a [noun] [prep] three years	87
6	[art] [noun] for three years	55
7	[art] period [prep] three years	34
8	[art] period [prep] three years	34
9	[art] [noun] in three years	12
10	[art] [noun pl] [prep] three years	12
11	[art] [noun] within three years	10
12	[art] end [prep] three years	8
13	[art] end [prep] three years	8
14	[art] [noun] after three years	7
15	[art] age [prep] three years	7
16	[art] age [prep] three years	7
17	[art] minimum [prep] three years	6
18	[art] minimum [prep] three years	6
19	[art] sentence [prep] three years	6
20	[art] [noun] to three years	5
21	[art] year [prep] three years	5
22	[art] degree [prep] three years	5
23	[art] year [prep] three years	5
24	[art] sentence [prep] three years	5
25	[art] degree [prep] three years	5