SN4 ""

No	Pattern	Freq
1	[modal v] have been [adj] for [noun]	40
2	[vb mod] have been [adj] for [noun]	40
3	would have been [adj] for [noun]	18
4	would have been [adj] for [noun]	18
5	must have been [adj] for [noun]	10
6	must have been [adj] for [noun]	10
7	[adv] have been [adj] for [noun]	9
8	not have been [adj] for [noun]	8
9	[not/n't] have been [adj] for [noun]	8
10	not have been [adj] for [noun]	7
11	may have been [adj] for [noun]	5
12	may have been [adj] for [noun]	5
13	have been [adv] [adj] for [noun]	22
14	have been [adv] [adj] for [noun]	22
15	have been very [adj] for [noun]	6
16	have been very [adj] for [noun]	6
17	have been [adj] [noun] for [noun]	7
18	have been [adj] [noun pl] for [noun]	6
19	have been [adj] for [art] [noun]	75
20	have been [adj] for [art] [noun]	75
21	have been [adj] for the [noun]	57
22	have been [adj] for the [noun]	57
23	have been [adj] for [adj] [noun]	26
24	have been [adj] for a [noun]	18
25	have been [adj] for [det] [noun]	15
26	have been [adj] for a [noun]	13
27	have been [adj] for [noun] [noun]	11
28	have been [adj] for [pos pn] [noun]	8
29	have been [adj] for [pron] [noun]	8
30	have been [adj] for [adj] [noun]	8