SN4 ""

No	Pattern	Freq
1	[been] for [art] [det]	5
2	[been] for [art] [det]	5
3	[verb] [been] for [det]	93
4	have [been] for [det]	93
5	[vb -s] [been] for [det]	40
6	has [been] for [det]	38
7	had [been] for [det]	24
8	[vb past] [been] for [det]	24
9	[vb base] [been] for [det]	23
10	[adv] [been] for [det]	22
11	have [been] for [det]	21
12	not [been] for [det]	20
13	[not/n't] [been] for [det]	20
14	n't [been] for [det]	10
15	not [been] for [det]	10
16	have [been] for [det]	5
17	[vb infin] [been] for [det]	5
18	[been] [verb] for [det]	649
19	[been] [vb pp] for [det]	431
20	[been] [adj] for [det]	261
21	[been] [adj] for [det]	254
22	[been] [v-ing] for [det]	217
23	[been] [adv] for [det]	92
24	[been] [adv] for [det]	54
25	[been] [adv prt] for [det]	38
26	[been] use for [det]	37
27	[been] used for [det]	35
28	[been] known for [det]	32
29	[been] know for [det]	32
30	[been] responsible for [det]	31