SN4 ""

No	Pattern	Freq
1	[noun] [prep] recent years [be]	43
2	[verb] [prep] recent years [be]	26
3	[noun sg] [prep] recent years [be]	25
4	[noun pl] [prep] recent years [be]	15
5	have [prep] recent years [be]	13
6	[vb pp] [prep] recent years [be]	10
7	has [prep] recent years [be]	7
8	[vb -s] [prep] recent years [be]	7
9	[adv] [prep] recent years [be]	5
10	[prep] recent years have [be]	78
11	[prep] recent years [verb] [be]	78
12	[prep] recent years has [be]	68
13	[prep] recent years [vb -s] [be]	68
14	[prep] recent years [conj] [be]	11
15	[prep] recent years [coord] [be]	10
16	[prep] recent years and [be]	10
17	[prep] recent years [pron] [be]	10
18	[prep] recent years and [be]	10
19	[prep] recent years [vb base] [be]	9
20	[prep] recent years have [be]	9
21	[prep] recent years [pers pn] [be]	7
22	[prep] recent years [be] [verb]	19
23	[prep] recent years [be] [art]	16
24	[prep] recent years [be] [art]	16
25	[prep] recent years [be] [adv]	11
26	[prep] recent years [be] [adj]	11
27	[prep] recent years [be] [vb pp]	10
28	[prep] recent years [be] the	10
29	[prep] recent years [be] the	10
30	[prep] recent years [be] [adv]	8