SN4 ""

No	Pattern	Freq
1	[noun] [prep] ten years	336
2	[noun sg] [prep] ten years	249
3	[verb] [prep] ten years	97
4	[adj] [prep] ten years	91
5	[adv] [prep] ten years	83
6	[vb pp] [prep] ten years	51
7	[num] [prep] ten years	45
8	[noun pl] [prep] ten years	40
9	[noun prp] [prep] ten years	39
10	[adv prt] [prep] ten years	39
11	[adv] [prep] ten years	38
12	[pron] [prep] ten years	37
13	[conj] [prep] ten years	35
14	[pers pn] [prep] ten years	24
15	up [prep] ten years	24
16	up [prep] ten years	24
17	five [prep] ten years	23
18	five [prep] ten years	23
19	[coord] [prep] ten years	20
20	[det] [prep] ten years	19
21	[adj] [prep] ten years	18
22	period [prep] ten years	18
23	period [prep] ten years	17
24	[v-ing] [prep] ten years	15
25	and [prep] ten years	11
26	and [prep] ten years	11
27	time [prep] ten years	10
28	that [prep] ten years	10
29	that [prep] ten years	10
30	[vb past] [prep] ten years	9