SN4 ""

No	Pattern	Freq
1	be [vb pp] for [adj] years	482
2	[be] [vb pp] for [adj] years	482
3	[verb] [vb pp] for [adj] years	246
4	have [vb pp] for [adj] years	239
5	been [vb pp] for [adj] years	191
6	[been] [vb pp] for [adj] years	191
7	[was/were] [vb pp] for [adj] years	188
8	was [vb pp] for [adj] years	180
9	[adv] [vb pp] for [adj] years	109
10	[vb past] [vb pp] for [adj] years	89
11	[noun] [vb pp] for [adj] years	88
12	had [vb pp] for [adj] years	84
13	[vb -s] [vb pp] for [adj] years	74
14	has [vb pp] for [adj] years	69
15	[adv] [vb pp] for [adj] years	69
16	[vb base] [vb pp] for [adj] years	61
17	be [vb pp] for [adj] years	59
18	[be] [vb pp] for [adj] years	59
19	[noun sg] [vb pp] for [adj] years	57
20	have [vb pp] for [adj] years	42
21	[not/n't] [vb pp] for [adj] years	40
22	not [vb pp] for [adj] years	40
23	[conj] [vb pp] for [adj] years	36
24	[noun pl] [vb pp] for [adj] years	29
25	not [vb pp] for [adj] years	29
26	[coord] [vb pp] for [adj] years	26
27	and [vb pp] for [adj] years	25
28	and [vb pp] for [adj] years	25
29	[am/are] [vb pp] for [adj] years	19
30	[is] [vb pp] for [adj] years	18