SN4 ""

No	Pattern	Freq
1	[noun] have been [vb pp] for	2058
2	[noun sg] have been [vb pp] for	1115
3	[pron] have been [vb pp] for	791
4	[noun pl] have been [vb pp] for	692
5	[pers pn] have been [vb pp] for	475
6	[vb mod] have been [vb pp] for	235
7	[modal v] have been [vb pp] for	235
8	[Wh det] have been [vb pp] for	198
9	[conj] have been [vb pp] for	196
10	[noun prp] have been [vb pp] for	187
11	which have been [vb pp] for	178
12	which have been [vb pp] for	178
13	it have been [vb pp] for	172
14	it have been [vb pp] for	172
15	[adj] have been [vb pp] for	130
16	that have been [vb pp] for	122
17	[that] have been [vb pp] for	122
18	that have been [vb pp] for	122
19	[Wh pn] have been [vb pp] for	99
20	who have been [vb pp] for	97
21	who have been [vb pp] for	97
22	he have been [vb pp] for	92
23	he have been [vb pp] for	92
24	they have been [vb pp] for	81
25	[verb] have been [vb pp] for	77
26	they have been [vb pp] for	77
27	[adv] have been [vb pp] for	76
28	[n mass] have been [vb pp] for	62
29	[adv] have been [vb pp] for	60
30	could have been [vb pp] for	59