SN4 ""

No	Pattern	Freq
1	[noun] have been [verb] to be	118
2	[noun pl] have been [verb] to be	81
3	[noun sg] have been [verb] to be	31
4	[pron] have been [verb] to be	29
5	[pers pn] have been [verb] to be	15
6	[conj] have been [verb] to be	12
7	[Wh det] have been [verb] to be	11
8	which have been [verb] to be	10
9	which have been [verb] to be	10
10	[that] have been [verb] to be	9
11	that have been [verb] to be	9
12	they have been [verb] to be	9
13	they have been [verb] to be	9
14	that have been [verb] to be	9
15	[adj] have been [verb] to be	6
16	have [adv] been [verb] to be	26
17	have [adv] been [verb] to be	21
18	have recently been [verb] to be	6
19	have recently been [verb] to be	6
20	have not been [verb] to be	5
21	have [not/n't] been [verb] to be	5
22	have been [verb] [adv] to be	9
23	have been [verb] not to be	5
24	have been [verb] [not/n't] to be	5
25	have been [verb] not to be	5
26	have been [verb] to be [adj]	71
27	have been [verb] to be [adj]	67
28	have been [verb] to be [adv]	46
29	have been [verb] to be [adv]	46
30	have been [verb] to be [verb]	31