SN4 ""

No	Pattern	Freq
1	[noun] have been produced by	44
2	[noun pl] have been produced by	21
3	[noun sg] have been produced by	20
4	[pron] have been produced by	15
5	[vb mod] have been produced by	12
6	[modal v] have been produced by	12
7	[conj] have been produced by	8
8	[pers pn] have been produced by	7
9	it have been produced by	7
10	which have been produced by	7
11	which have been produced by	7
12	it have been produced by	7
13	[Wh det] have been produced by	7
14	that have been produced by	6
15	that have been produced by	6
16	[that] have been produced by	6
17	[adj] have been produced by	5
18	have [adv] been produced by	7
19	have [adv] been produced by	7
20	have been produced by [art]	37
21	have been produced by [art]	37
22	have been produced by [noun]	34
23	have been produced by the	31
24	have been produced by the	31
25	have been produced by [adj]	17
26	have been produced by [adj]	12
27	have been produced by [noun prp]	11
28	have been produced by [noun pl]	11
29	have been produced by [noun sg]	10
30	have been produced by a	6