SN4 ""

No	Pattern	Freq
1	[adv] have been [vb pp] for	76
2	[adv] have been [vb pp] for	60
3	[adv] have been [vb pp] for	49
4	[not/n't] have been [vb pp] for	14
5	not have been [vb pp] for	14
6	not have been [vb pp] for	13
7	[adv] has been [vb pp] for	9
8	[adv] have been used for	8
9	also have been [vb pp] for	7
10	[adv] to have been [vb pp] for	7
11	also have been [vb pp] for	7
12	never have been [vb pp] for	5
13	[adv] had been [vb pp] for	5
14	[adv] have been [vb pp] for	5
15	never have been [vb pp] for	5