SN4 ""

No	Pattern	Freq
1	been [noun] for [art]	52
2	been [noun] for [art]	52
3	been [noun] for [noun]	50
4	been [noun] for [adj]	48
5	been [noun] for the	28
6	been [noun] for the	28
7	been [noun] for a	23
8	been [noun] for [noun sg]	22
9	been [noun] for a	21
10	been [noun] for [num]	20
11	been [noun] for [noun pl]	16
12	been [noun] for [det]	15
13	been [noun] for [adv]	14
14	been [noun] for [adv]	14
15	been [noun] for [pron]	12
16	been [noun] for [adj]	12
17	been [noun] for [noun prp]	11
18	been [noun] for years	9
19	been [noun] for year	9
20	been [noun] for some	7
21	been [noun] for some	7
22	been [noun] for [pers pn]	6
23	been [noun] for [pos pn]	5
24	[verb] been [noun] for	157
25	have been [noun] for	157
26	[vb base] been [noun] for	49
27	[vb past] been [noun] for	49
28	had been [noun] for	42
29	have been [noun] for	39
30	[vb infin] been [noun] for	26