SN4 ""

No	Pattern	Freq
1	[noun sg] [prep] two years	577
2	[noun] for two years	335
3	[noun] of two years	167
4	[noun pl] [prep] two years	121
5	[noun] in two years	89
6	[noun prp] [prep] two years	72
7	[noun] within two years	70
8	[noun] after two years	51
9	period [prep] two years	45
10	period [prep] two years	44
11	[noun] to two years	33
12	month [prep] two years	24
13	time [prep] two years	23
14	months [prep] two years	23
15	[n mass] [prep] two years	22
16	time [prep] two years	17
17	probation [prep] two years	14
18	probation [prep] two years	14
19	penalty [prep] two years	11
20	[noun] by two years	11
21	penalty [prep] two years	11
22	year [prep] two years	11
23	minimum [prep] two years	10
24	year [prep] two years	10
25	minimum [prep] two years	10
26	maximum [prep] two years	9
27	[noun] at two years	8
28	[noun] until two years	8
29	maximum [prep] two years	8
30	result [prep] two years	8