SN4 ""

No	Pattern	Freq
1	[pron] have [been] in a	128
2	[pers pn] have [been] in a	98
3	[noun] have [been] in a	63
4	[vb mod] have [been] in a	45
5	[modal v] have [been] in a	45
6	[noun sg] have [been] in a	38
7	he have [been] in a	30
8	he have [been] in a	30
9	[Wh pn] have [been] in a	23
10	who have [been] in a	22
11	who have [been] in a	22
12	would have [been] in a	20
13	would have [been] in a	18
14	i have [been] in a	17
15	i have [been] in a	17
16	she have [been] in a	16
17	she have [been] in a	16
18	[adv] have [been] in a	14
19	they have [been] in a	14
20	they have [been] in a	14
21	[noun prp] have [been] in a	14
22	must have [been] in a	10
23	must have [been] in a	10
24	[adv] have [been] in a	10
25	might have [been] in a	9
26	might have [been] in a	9
27	[noun pl] have [been] in a	8
28	you have [been] in a	8
29	you have [been] in a	8
30	[adj] have [been] in a	7