SN4 ""

No	Pattern	Freq
31	[vb past] in [adj] years	48
32	[vb -s] in [adj] years	48
33	[vb base] in [adj] years	46
34	be in [adj] years	42
35	[be] in [adj] years	42
36	[n mass] in [adj] years	38
37	[to-vb] in [adj] years	37
38	[det] in [adj] years	33
39	than in [adj] years	29
40	than in [adj] years	29
41	[vb infin] in [adj] years	28
42	times in [adj] years	28
43	increase in [adj] years	26
44	[no cls] in [adj] years	25
45	change in [adj] years	25
46	[unc] in [adj] years	25
47	changed in [adj] years	25
48	[Wh det] in [adj] years	24
49	do in [adj] years	24
50	only in [adj] years	23
51	make in [adj] years	23
52	only in [adj] years	23
53	decline in [adj] years	23
54	made in [adj] years	23
55	which in [adj] years	23
56	which in [adj] years	23
57	has in [adj] years	22
58	it in [adj] years	20
59	it in [adj] years	20
60	[prep] in [adj] years	18