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 many	31
15	have been for [adv]	31
16	have been for many	31
17	have been for [adv]	30
18	have been for year	27
19	have been for years	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