SN4 ""

No	Pattern	Freq
1	[adv] have been [noun]	201
2	[adv] have been [noun]	156
3	[adv] have been [noun sg]	96
4	[adv] have been [noun pl]	83
5	[adv] have been [noun prp]	57
6	[not/n't] have been [noun]	41
7	not have been [noun]	41
8	[adv] have been [noun]	39
9	there have been [noun]	32
10	there have been [noun]	32
11	well have been [noun]	30
12	well have been [noun]	30
13	not have been [noun]	29
14	[adv] has been [noun]	19
15	[adv] had been [noun]	16
16	[adv] have been part	13
17	[adv] have been part	13
18	n't have been [noun]	12
19	easily have been [noun]	11
20	easily have been [noun]	11
21	once have been [noun]	10
22	never have been [noun]	10
23	never have been [noun]	10
24	once have been [noun]	10
25	only have been [noun]	9
26	only have been [noun]	9
27	[adv] have been [n mass]	8
28	always have been [noun]	8
29	always have been [noun]	8
30	[adv] to have been [noun]	7