SN4 ""

No	Pattern	Freq
1	have been [verb] an [noun sg]	137
2	have been [v-ing] an [noun]	70
3	have been [vb pp] an [noun]	67
4	has been [verb] an [noun]	47
5	had been [verb] an [noun]	45
6	have been give an [noun]	25
7	have been given an [noun]	23
8	have been have an [noun]	22
9	have been having an [noun]	22
10	have been [verb] an affair	21
11	have been [verb] an affair	21
12	've been [verb] an [noun]	12
13	have been [verb] an [noun]	10
14	'd been [verb] an [noun]	9
15	have been keeping an [noun]	8
16	have been make an [noun]	8
17	have been [verb] an [noun]	8
18	have been keep an [noun]	8
19	have been awarded an [noun]	7
20	have been [to-vb] an [noun]	7
21	have been [verb] an eye	7
22	have been [verb] an eye	7
23	have been made an [noun]	7
24	have been award an [noun]	7
25	have been granted an [noun]	6
26	have been grant an [noun]	6
27	's been [verb] an [noun]	6
28	have been [verb] an [noun prp]	5