SN4 ""

No	Pattern	Freq
1	[pron] have been before	46
2	[pers pn] have been before	40
3	it have been before	21
4	it have been before	21
5	[noun] have been before	19
6	[noun sg] have been before	16
7	[vb mod] have been before	8
8	[modal v] have been before	8
9	i have been before	5
10	i have been before	5
11	have been [verb] before	207
12	have been [vb pp] before	196
13	have been [adv] before	29
14	have been [adv] before	27
15	have been [adj] before	18
16	have been [adj] before	18
17	have been put before	13
18	have been there before	13
19	have been there before	13
20	have been put before	12
21	have been [v-ing] before	11
22	have been lay before	9
23	have been here before	9
24	have been here before	9
25	have been laid before	9
26	have been [noun] before	8
27	have been made before	7
28	have been brought before	7
29	have been make before	7
30	have been bring before	7