SN4 ""

No	Pattern	Freq
1	[verb] [pers pn] three years	24
2	[vb past] [pers pn] three years	12
3	take [pers pn] three years	11
4	took [pers pn] three years	7
5	[vb pp] [pers pn] three years	5
6	[prep] [pers pn] three years	5
7	[prep] [pers pn] three years	5
8	[pers pn] [verb] three years	63
9	[pers pn] [be] three years	61
10	[pers pn] be three years	61
11	[pers pn] [vb past] three years	55
12	[pers pn] was three years	42
13	[pers pn] [was/were] three years	42
14	[pers pn] [prep] three years	29
15	[pers pn] [prep] three years	29
16	[pers pn] spent three years	19
17	[pers pn] spend three years	19
18	[pers pn] for three years	18
19	[pers pn] for three years	18
20	[pers pn] [adv] three years	14
21	[pers pn] [is] three years	13
22	[pers pn] [adv] three years	12
23	[pers pn] have three years	11
24	[pers pn] is three years	9
25	[pers pn] had three years	8
26	[pers pn] died three years	6
27	[pers pn] take three years	6
28	[pers pn] die three years	6
29	[pers pn] [am/are] three years	6
30	[pers pn] three years [adv]	14