SN4 ""

No	Pattern	Freq
1	[pron] have been [adv] before	12
2	[noun] have been [adv] before	10
3	[pers pn] have been [adv] before	9
4	have been [verb] [adv] before	27
5	have been [vb pp] [adv] before	24
6	have been [adj] [adv] before	6
7	have been [adj] [adv] before	5
8	have been [adv] [verb] before	12
9	have been [adv] [vb pp] before	12
10	have been [adv] [adj] before	5
11	have been [adv] [adj] before	5
12	have been [adv] before [pron]	17
13	have been [adv] before [pers pn]	16
14	have been [adv] before [art]	5
15	have been [adv] before the	5
16	have been [adv] before the	5
17	have been [adv] before [art]	5