SN4 ""

No	Pattern	Freq
1	[be] [verb] for [det] years	148
2	be [verb] for [det] years	148
3	[verb] [verb] for [det] years	119
4	[been] [verb] for [det] years	114
5	been [verb] for [det] years	114
6	[noun] [verb] for [det] years	104
7	have [verb] for [det] years	100
8	[pron] [verb] for [det] years	71
9	[pers pn] [verb] for [det] years	52
10	[adv] [verb] for [det] years	47
11	[noun sg] [verb] for [det] years	47
12	[vb past] [verb] for [det] years	45
13	[modal v] [verb] for [det] years	37
14	[vb mod] [verb] for [det] years	37
15	[noun pl] [verb] for [det] years	37
16	had [verb] for [det] years	36
17	[vb base] [verb] for [det] years	30
18	[adv] [verb] for [det] years	25
19	[conj] [verb] for [det] years	25
20	have [verb] for [det] years	25
21	not [verb] for [det] years	22
22	[not/n't] [verb] for [det] years	22
23	[coord] [verb] for [det] years	21
24	[vb -s] [verb] for [det] years	20
25	will [verb] for [det] years	20
26	will [verb] for [det] years	20
27	[noun prp] [verb] for [det] years	19
28	and [verb] for [det] years	19
29	has [verb] for [det] years	19
30	and [verb] for [det] years	19