SN4 ""

No	Pattern	Freq
1	[noun] have been as a	10
2	[noun sg] have been as a	6
3	have been [verb] as a	1009
4	have been [vb pp] as a	973
5	have been use as a	103
6	have been used as a	100
7	have been described as a	63
8	have been describe as a	63
9	have been seen as a	58
10	have been see as a	58
11	have been regard as a	35
12	have been [v-ing] as a	35
13	have been regarded as a	35
14	have been [adj] as a	25
15	have been [adj] as a	24
16	have been identify as a	21
17	have been identified as a	21
18	have been interpreted as a	20
19	have been interpret as a	20
20	have been hailed as a	18
21	have been hail as a	18
22	have been propose as a	16
23	have been proposed as a	16
24	have been suggested as a	15
25	have been accepted as a	15
26	have been accept as a	15
27	have been intended as a	15
28	have been intend as a	15
29	have been suggest as a	15
30	have been work as a	14