SN4 ""

No	Pattern	Freq
1	have [been] for [art]	151
2	have [been] for [art]	151
3	have [been] for [adj]	139
4	have [been] for [noun]	120
5	have [been] for [det]	93
6	have [been] for the	89
7	have [been] for the	89
8	have [been] for [noun pl]	73
9	have [been] for a	62
10	have [been] for a	60
11	have [been] for [pron]	49
12	have [been] for some	35
13	have [been] for some	35
14	have [been] for [adv]	31
15	have [been] for many	31
16	have [been] for many	31
17	have [been] for [adv]	30
18	have [been] for years	27
19	have [been] for year	27
20	have [been] for [pers pn]	26
21	have [been] for [noun prp]	23
22	have [been] for [noun sg]	23
23	have [been] for [num]	22
24	have [been] for [adj]	18
25	have [been] for [pos pn]	11
26	have [been] for he	10
27	have [been] for him	10
28	have [been] for [indef pn]	9
29	have [been] for centuries	8
30	have [been] for century	8