SN4 ""

No	Pattern	Freq
1	[adj] [noun] [prep] two years	233
2	[art] [noun] [prep] two years	197
3	[art] [noun] [prep] two years	197
4	[prep] [noun] [prep] two years	131
5	[prep] [noun] [prep] two years	131
6	[noun] [noun] [prep] two years	119
7	[adj] [noun] [prep] two years	116
8	the [noun] [prep] two years	106
9	the [noun] [prep] two years	106
10	a [noun] [prep] two years	91
11	[noun sg] [noun] [prep] two years	86
12	a [noun] [prep] two years	81
13	[num] [noun] [prep] two years	48
14	[verb] [noun] [prep] two years	36
15	in [noun] [prep] two years	36
16	in [noun] [prep] two years	36
17	[num ord] [noun] [prep] two years	31
18	[pos pn] [noun] [prep] two years	27
19	[pron] [noun] [prep] two years	27
20	[det] [noun] [prep] two years	27
21	[noun prp] [noun] [prep] two years	24
22	on [noun] [prep] two years	21
23	on [noun] [prep] two years	21
24	to [noun] [prep] two years	19
25	to [noun] [prep] two years	19
26	[unc] [noun] [prep] two years	17
27	first [noun] [prep] two years	17
28	first [noun] [prep] two years	17
29	[conj] [noun] [prep] two years	17
30	['s] [noun] [prep] two years	15