SN4 ""

No	Pattern	Freq
1	[adj] [noun sg] [prep] four years	84
2	[art] [noun sg] [prep] four years	79
3	[art] [noun sg] [prep] four years	79
4	[adj] [noun sg] [prep] four years	43
5	the [noun sg] [prep] four years	40
6	the [noun sg] [prep] four years	40
7	a [noun sg] [prep] four years	36
8	[noun] [noun sg] [prep] four years	35
9	a [noun sg] [prep] four years	32
10	[prep] [noun sg] [prep] four years	29
11	[prep] [noun sg] [prep] four years	29
12	[noun sg] [noun sg] [prep] four years	28
13	[num ord] [noun sg] [prep] four years	26
14	first [noun sg] [prep] four years	14
15	first [noun sg] [prep] four years	14
16	[pos pn] [noun sg] [prep] four years	9
17	[pron] [noun sg] [prep] four years	9
18	[det] [noun sg] [prep] four years	6
19	per [noun sg] [prep] four years	6
20	per [noun sg] [prep] four years	6
21	third [noun sg] [prep] four years	6
22	third [noun sg] [prep] four years	6
23	[noun prp] [noun sg] [prep] four years	5
24	[adj -est] [noun sg] [prep] four years	5
25	in [noun sg] [prep] four years	5
26	[unc] [noun sg] [prep] four years	5
27	in [noun sg] [prep] four years	5
28	[noun sg] [noun] [prep] four years	34
29	[noun sg] [noun sg] [prep] four years	28
30	[noun sg] [verb] [prep] four years	15