SN4 ""

No	Pattern	Freq
1	[adv] [verb] to have been [adj]	71
2	[adv] [verb] have been [adj]	49
3	[adv] [vb pp] have been [adj]	34
4	not [verb] have been [adj]	33
5	[not/n't] [verb] have been [adj]	33
6	[adv] seem have been [adj]	31
7	[adv] [vb infin] have been [adj]	31
8	not [verb] have been [adj]	30
9	[adv] seem have been [adj]	20
10	[adv] [vb -s] have been [adj]	11
11	[adv] appear have been [adj]	10
12	[adv] seems have been [adj]	8
13	[adv] appear have been [adj]	6
14	also [verb] have been [adj]	6
15	[adv] [verb] have been impressed	6
16	also [verb] have been [adj]	6
17	[adv] [verb] have been [adj]	5
18	now [verb] have been [adj]	5
19	widely [verb] have been [adj]	5
20	[adv] thought have been [adj]	5
21	[adv] think have been [adj]	5
22	widely [verb] have been [adj]	5
23	[adv] [verb] have been involved	5
24	[adv] [vb base] have been [adj]	5
25	now [verb] have been [adj]	5