SN4 ""

No	Pattern	Freq
1	[pers pn] have been [vb pp] for [noun]	100
2	it have been [vb pp] for [noun]	51
3	[pers pn] have been [vb pp] for [noun sg]	48
4	[pers pn] have been [vb pp] for [noun pl]	38
5	[pers pn] had been [vb pp] for [noun]	36
6	[pers pn] has been [vb pp] for [noun]	33
7	he have been [vb pp] for [noun]	16
8	[pers pn] have been [vb pp] for [noun]	15
9	they have been [vb pp] for [noun]	11
10	[pers pn] have been [vb pp] for [noun prp]	11
11	[pers pn] 's been [vb pp] for [noun]	11
12	[pers pn] have been known for [noun]	10
13	you have been [vb pp] for [noun]	8
14	[pers pn] have been [vb pp] for century	7
15	[pers pn] have been [vb pp] for centuries	7
16	she have been [vb pp] for [noun]	6
17	[pers pn] have been used for [noun]	6
18	i have been [vb pp] for [noun]	5