SN4 ""

No	Pattern	Freq
1	have been [adv] [adj] for	97
2	have been [adv] [adj] for	97
3	have been very [adj] for	20
4	have been very [adj] for	20
5	have been more [adj] for	12
6	have been more [adj] for	12
7	have been too [adj] for	10
8	have been too [adj] for	10
9	have been [vb pp] [adj] for	6
10	have been [verb] [adj] for	6
11	have been quite [adj] for	5
12	have been quite [adj] for	5
13	[vb mod] have been [adj] for	240
14	[modal v] have been [adj] for	240
15	would have been [adj] for	125
16	would have been [adj] for	123
17	[adv] have been [adj] for	56
18	must have been [adj] for	47
19	must have been [adj] for	47
20	not have been [adj] for	37
21	[not/n't] have been [adj] for	37
22	not have been [adj] for	29
23	may have been [adj] for	28
24	may have been [adj] for	28
25	might have been [adj] for	20
26	might have been [adj] for	20
27	[adv] have been [adj] for	19
28	could have been [adj] for	10
29	could have been [adj] for	10
30	n't have been [adj] for	8