SN4 ""

No	Pattern	Freq
1	[noun] have been [vb pp] at the	237
2	[noun sg] have been [vb pp] at the	146
3	[pron] have been [vb pp] at the	99
4	[noun pl] have been [vb pp] at the	71
5	[pers pn] have been [vb pp] at the	43
6	[vb mod] have been [vb pp] at the	36
7	[Wh det] have been [vb pp] at the	36
8	[modal v] have been [vb pp] at the	36
9	which have been [vb pp] at the	34
10	which have been [vb pp] at the	34
11	[conj] have been [vb pp] at the	27
12	[noun prp] have been [vb pp] at the	18
13	that have been [vb pp] at the	16
14	that have been [vb pp] at the	16
15	[that] have been [vb pp] at the	16
16	who have been [vb pp] at the	15
17	[verb] have been [vb pp] at the	15
18	who have been [vb pp] at the	15
19	[Wh pn] have been [vb pp] at the	15
20	it have been [vb pp] at the	14
21	it have been [vb pp] at the	14
22	[adv] have been [vb pp] at the	14
23	he have been [vb pp] at the	13
24	he have been [vb pp] at the	12
25	[adj] have been [vb pp] at the	11
26	[adv] have been [vb pp] at the	10
27	may have been [vb pp] at the	9
28	may have been [vb pp] at the	9
29	could have been [vb pp] at the	8
30	they have been [vb pp] at the	8