SN4 ""

No	Pattern	Freq
1	[pron] have been [vb pp] as a	210
2	[pers pn] have been [verb] as a	142
3	[pron] has been [verb] as a	101
4	[pron] had been [verb] as a	83
5	[Wh det] have been [verb] as a	67
6	it have been [verb] as a	67
7	it have been [verb] as a	67
8	which have been [verb] as a	50
9	which have been [verb] as a	50
10	he have been [verb] as a	37
11	he have been [verb] as a	37
12	[pron] have been described as a	24
13	[pron] have been describe as a	24
14	[pron] have been [verb] as a	22
15	[pron] have been use as a	20
16	[pron] have been used as a	19
17	what have been [verb] as a	17
18	what have been [verb] as a	17
19	[pron] have been [v-ing] as a	15
20	she have been [verb] as a	14
21	who have been [verb] as a	14
22	she have been [verb] as a	14
23	who have been [verb] as a	14
24	[Wh pn] have been [verb] as a	14
25	i have been [verb] as a	12
26	i have been [verb] as a	12
27	[pron] 's been [verb] as a	10
28	[pron] have been identified as a	9
29	[pron] have been identify as a	9
30	[pron] have been work as a	7