SN4 ""

No	Pattern	Freq
1	[verb] in [adj] years	830
2	[vb pp] in [adj] years	563
3	[verb] in [adj] years	528
4	[verb] in recent years	418
5	[verb] in recent years	418
6	[verb] in [num] years	227
7	[v-ing] in [adj] years	60
8	have in [adj] years	58
9	[vb -s] in [adj] years	48
10	[vb past] in [adj] years	48
11	[vb base] in [adj] years	46
12	[verb] in [det] years	41
13	[to-vb] in [adj] years	37
14	[verb] in [adj -er] years	33
15	[verb] in previous years	32
16	[verb] in previous years	32
17	[verb] in two years	30
18	[verb] in two years	30
19	[vb infin] in [adj] years	28
20	[verb] in five years	27
21	[verb] in five years	27
22	increase in [adj] years	26
23	change in [adj] years	25
24	changed in [adj] years	25
25	do in [adj] years	24
26	made in [adj] years	23
27	make in [adj] years	23
28	decline in [adj] years	23
29	[verb] in late years	22
30	[verb] in later years	22