SN4 ""

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