SN4 ""

No	Pattern	Freq
1	have [adv] been [verb] as a	198
2	have [adv] been [vb pp] as a	196
3	have [adv] been [verb] as a	184
4	has [adv] been [verb] as a	133
5	had [adv] been [verb] as a	42
6	have long been [verb] as a	37
7	have long been [verb] as a	37
8	have [adv] been used as a	26
9	have [adv] been use as a	26
10	have [adv] been see as a	23
11	have [adv] been seen as a	23
12	have [adv] been [verb] as a	19
13	have also been [verb] as a	17
14	have also been [verb] as a	17
15	have [adv] been regard as a	16
16	have often been [verb] as a	16
17	have always been [verb] as a	16
18	have always been [verb] as a	16
19	have often been [verb] as a	16
20	have [adv] been regarded as a	16
21	have not been [verb] as a	14
22	have not been [verb] as a	14
23	have [not/n't] been [verb] as a	14
24	have already been [verb] as a	11
25	have already been [verb] as a	11
26	have recently been [verb] as a	9
27	have recently been [verb] as a	9
28	have [adv] been described as a	8
29	have [adv] been describe as a	8
30	have just been [verb] as a	8