SN4 ""

No	Pattern	Freq
1	[adj] [noun] [prep] four years	103
2	[art] [noun] [prep] four years	82
3	[art] [noun] [prep] four years	82
4	[prep] [noun] [prep] four years	56
5	[prep] [noun] [prep] four years	56
6	[adj] [noun] [prep] four years	47
7	[noun] [noun] [prep] four years	47
8	the [noun] [prep] four years	43
9	the [noun] [prep] four years	43
10	a [noun] [prep] four years	36
11	[noun sg] [noun] [prep] four years	34
12	a [noun] [prep] four years	32
13	[num ord] [noun] [prep] four years	26
14	in [noun] [prep] four years	15
15	in [noun] [prep] four years	15
16	first [noun] [prep] four years	14
17	[num] [noun] [prep] four years	14
18	first [noun] [prep] four years	14
19	[noun prp] [noun] [prep] four years	9
20	[pos pn] [noun] [prep] four years	9
21	[pron] [noun] [prep] four years	9
22	[unc] [noun] [prep] four years	8
23	[det] [noun] [prep] four years	8
24	['s] [noun] [prep] four years	7
25	[adj -est] [noun] [prep] four years	7
26	per [noun] [prep] four years	6
27	[conj] [noun] [prep] four years	6
28	third [noun] [prep] four years	6
29	of [noun] [prep] four years	6
30	per [noun] [prep] four years	6