SN4 ""

No	Pattern	Freq
1	[pron] have been a [noun] for	120
2	[noun] have been a [noun] for	72
3	[pers pn] have been a [noun] for	64
4	[noun sg] have been a [noun] for	43
5	[modal v] have been a [noun] for	39
6	[vb mod] have been a [noun] for	39
7	there have been a [noun] for	37
8	[ex0] have been a [noun] for	37
9	there have been a [noun] for	37
10	he have been a [noun] for	20
11	he have been a [noun] for	20
12	it have been a [noun] for	17
13	i have been a [noun] for	17
14	it have been a [noun] for	17
15	i have been a [noun] for	17
16	[noun prp] have been a [noun] for	17
17	[adv] have been a [noun] for	13
18	would have been a [noun] for	13
19	[noun pl] have been a [noun] for	12
20	would have been a [noun] for	11
21	who have been a [noun] for	10
22	[Wh pn] have been a [noun] for	10
23	[conj] have been a [noun] for	10
24	who have been a [noun] for	10
25	[verb] have been a [noun] for	9
26	must have been a [noun] for	9
27	must have been a [noun] for	9
28	[Wh det] have been a [noun] for	8
29	which have been a [noun] for	8
30	[adv] have been a [noun] for	8