SN4 ""

No	Pattern	Freq
1	been [vb pp] as a [adj] [noun]	363
2	been [vb pp] as a [adj] [noun sg]	352
3	been [vb pp] as a [adj] [noun]	294
4	been [vb pp] as an [adj] [noun]	69
5	been seen as a [adj] [noun]	31
6	been regarded as a [adj] [noun]	23
7	been [vb pp] as a possible [noun]	22
8	been used as a [adj] [noun]	21
9	been described as a [adj] [noun]	15
10	been [vb pp] as a major [noun]	13
11	been hailed as a [adj] [noun]	11
12	been [vb pp] as a important [noun]	11
13	been suggested as a [adj] [noun]	10
14	been identified as a [adj] [noun]	8
15	been [vb pp] as a [adj] cause	8
16	been presented as a [adj] [noun]	8
17	been proposed as a [adj] [noun]	8
18	been [vb pp] as a [adj] cause	8
19	been established as a [adj] [noun]	7
20	been [vb pp] as a [adj] factor	6
21	been [vb pp] as a [adj] factor	6
22	been [vb pp] as a [adj] form	6
23	been perceived as a [adj] [noun]	6
24	been recognized as a [adj] [noun]	6
25	been touted as a [adj] [noun]	6
26	been [vb pp] as a good [noun]	6
27	been [vb pp] as a [adj] success	6
28	been treated as a [adj] [noun]	6
29	been accepted as a [adj] [noun]	6
30	been defined as a [adj] [noun]	6