SN4 ""

No	Pattern	Freq
1	[adv] have been [verb] in	189
2	[adv] have been [vb pp] in	178
3	[adv] have been [verb] in	140
4	[adv] have been [verb] in	114
5	[not/n't] have been [verb] in	45
6	not have been [verb] in	45
7	not have been [verb] in	39
8	[adv] had been [verb] in	18
9	[adv] has been [verb] in	18
10	[adv] have been [verb] in	17
11	well have been [verb] in	15
12	never have been [verb] in	15
13	never have been [verb] in	15
14	well have been [verb] in	15
15	[adv] to have been [verb] in	13
16	[adv] have been [v-ing] in	11
17	also have been [verb] in	11
18	also have been [verb] in	11
19	[adv] have been make in	8
20	[adv] have been included in	8
21	[adv] having been [verb] in	8
22	[adv] have been include in	8
23	[adv] have been made in	8
24	[adv] have been used in	7
25	[adv] have been use in	7
26	n't have been [verb] in	6