SN4 ""

No	Pattern	Freq
1	[noun] have been show to be	121
2	[noun sg] have been show to be	69
3	[noun pl] have been show to be	39
4	[pron] have been show to be	23
5	[Wh det] have been show to be	13
6	which have been show to be	13
7	which have been show to be	13
8	[conj] have been show to be	12
9	[noun prp] have been show to be	10
10	[pers pn] have been show to be	8
11	[coord] have been show to be	6
12	that have been show to be	5
13	it have been show to be	5
14	[that] have been show to be	5
15	that have been show to be	5
16	it have been show to be	5
17	have [adv] been show to be	38
18	have [adv] been show to be	35
19	have previously been show to be	8
20	have previously been show to be	8
21	have also been show to be	7
22	have also been show to be	7
23	have recently been show to be	5
24	have recently been show to be	5
25	have been show to be [adj]	78
26	have been show to be [adj]	73
27	have been show to be [adv]	47
28	have been show to be [adv]	45
29	have been show to be [art]	20
30	have been show to be [art]	20