SN4 ""

No	Pattern	Freq
1	[noun] have been [vb pp] for many	34
2	[pron] have been [vb pp] for many	25
3	[noun sg] have been [vb pp] for many	19
4	[pers pn] have been [vb pp] for many	18
5	[noun pl] have been [vb pp] for many	12
6	it have been [vb pp] for many	10
7	it have been [vb pp] for many	10
8	[Wh det] have been [vb pp] for many	7
9	which have been [vb pp] for many	7
10	which have been [vb pp] for many	7
11	they have been [vb pp] for many	6
12	they have been [vb pp] for many	6
13	[conj] have been [vb pp] for many	5
14	have [adv] been [vb pp] for many	5
15	have been [vb pp] [adv] for many	7
16	have been [vb pp] for many [noun]	60
17	have been [vb pp] for many [noun pl]	60
18	have been [vb pp] for many year	50
19	have been [vb pp] for many years	50