SN4 ""

No	Pattern	Freq
1	have be [vb pp] for [det] years	70
2	[verb] be [vb pp] for [det] years	70
3	[vb -s] be [vb pp] for [det] years	33
4	has be [vb pp] for [det] years	31
5	[vb base] be [vb pp] for [det] years	19
6	had be [vb pp] for [det] years	18
7	[vb past] be [vb pp] for [det] years	18
8	have be [vb pp] for [det] years	16
9	[adv] be [vb pp] for [det] years	12
10	[noun] be [vb pp] for [det] years	12
11	not be [vb pp] for [det] years	9
12	[not/n't] be [vb pp] for [det] years	9
13	[noun sg] be [vb pp] for [det] years	8
14	not be [vb pp] for [det] years	8
15	[modal v] be [vb pp] for [det] years	7
16	[vb mod] be [vb pp] for [det] years	7
17	be [adv] [vb pp] for [det] years	12
18	be [adv] [vb pp] for [det] years	11
19	be [vb pp] [adv] for [det] years	11
20	be [vb pp] [adv prt] for [det] years	7
21	be [vb pp] for [art] [det] years	6
22	be [vb pp] for [art] [det] years	6
23	be [vb pp] for a [det] years	6
24	be [vb pp] for a [det] years	6
25	be [vb pp] for [det] [adj] years	12
26	be [vb pp] for [det] [num] years	10
27	be [vb pp] for [det] years [prep]	26
28	be [vb pp] for [det] years [prep]	26
29	be [vb pp] for [det] years [conj]	19
30	be [vb pp] for [det] years [coord]	9