SN4 ""

No	Pattern	Freq
1	[noun] have sometimes been	85
2	[pron] have sometimes been	57
3	[noun sg] have sometimes been	43
4	[pers pn] have sometimes been	40
5	[noun pl] have sometimes been	33
6	it have sometimes been	27
7	it have sometimes been	27
8	[conj] have sometimes been	25
9	[subord] have sometimes been	16
10	[Wh det] have sometimes been	14
11	as have sometimes been	13
12	as have sometimes been	13
13	[adj] have sometimes been	12
14	which have sometimes been	9
15	[det] have sometimes been	9
16	[noun prp] have sometimes been	9
17	which have sometimes been	9
18	that have sometimes been	6
19	[that] have sometimes been	6
20	that have sometimes been	6
21	he have sometimes been	5
22	this have sometimes been	5
23	this have sometimes been	5
24	i have sometimes been	5
25	what have sometimes been	5
26	he have sometimes been	5
27	i have sometimes been	5
28	what have sometimes been	5
29	have sometimes been [vb pp]	146
30	have sometimes been [verb]	146