SN4 ""

No	Pattern	Freq
1	been [noun pl] for [noun]	30
2	been [noun pl] for [adj]	27
3	been [noun pl] for [art]	24
4	been [noun pl] for [art]	24
5	been [noun pl] for [noun sg]	15
6	been [noun pl] for [noun pl]	13
7	been [noun pl] for [det]	12
8	been [noun pl] for a	12
9	been [noun pl] for the	11
10	been [noun pl] for a	11
11	been [noun pl] for the	11
12	been [noun pl] for [adv]	10
13	been [noun pl] for [adv]	10
14	been [noun pl] for [num]	9
15	been [noun pl] for years	7
16	been [noun pl] for year	7
17	been [noun pl] for some	6
18	been [noun pl] for some	6
19	been [noun pl] for [adj]	5
20	been [noun pl] for [pron]	5
21	[verb] been [noun pl] for	87
22	have been [noun pl] for	87
23	[vb base] been [noun pl] for	44
24	have been [noun pl] for	37
25	[vb past] been [noun pl] for	30
26	had been [noun pl] for	23
27	[adv] been [noun pl] for	12
28	[vb infin] been [noun pl] for	10
29	have been [noun pl] for	9
30	[adv] been [noun pl] for	8