SN4 ""

No	Pattern	Freq
1	[verb] to have been [noun]	92
2	[vb pp] have been [noun]	51
3	[verb] have been [noun sg]	39
4	seem have been [noun]	35
5	[verb] have been [noun pl]	35
6	[verb] have been [noun prp]	35
7	[vb -s] have been [noun]	25
8	[vb base] have been [noun]	22
9	seems have been [noun]	19
10	appear have been [noun]	16
11	[verb] had been [noun]	13
12	[vb past] have been [noun]	11
13	seem have been [noun]	10
14	appear have been [noun]	10
15	[verb] have been part	9
16	[verb] have been [noun]	9
17	[verb] have been part	9
18	[vb infin] have been [noun]	8
19	[verb] have been [n mass]	8
20	think have been [noun]	8
21	thought have been [noun]	8
22	believe have been [noun]	7
23	believed have been [noun]	6
24	say have been [noun]	6
25	said have been [noun]	5
26	appears have been [noun]	5