SN4 ""

No	Pattern	Freq
1	have been [verb] [adv] for [art]	252
2	have been [verb] [adv] for [art]	252
3	have been [verb] [adv] for [adj]	225
4	have been [verb] [adv] for [noun]	185
5	have been [verb] [adv] for the	158
6	have been [verb] [adv] for the	158
7	have been [verb] [adv] for [det]	111
8	have been [verb] [adv] for [noun pl]	108
9	have been [verb] [adv] for a	91
10	have been [verb] [adv] for a	82
11	have been [verb] [adv] for [num]	69
12	have been [verb] [adv] for [adv]	67
13	have been [verb] [adv] for [adv]	67
14	have been [verb] [adv] for [noun sg]	64
15	have been [verb] [adv] for [pron]	59
16	have been [verb] [adv] for [adj]	43
17	have been [verb] [adv] for years	43
18	have been [verb] [adv] for year	43
19	have been [verb] [adv] for some	37
20	have been [verb] [adv] for some	37
21	have been [verb] [adv] for [pers pn]	35
22	have been [verb] [adv] for [pos pn]	17
23	have been [verb] [adv] for [verb]	17
24	have been [verb] [adv] for many	16
25	have been [verb] [adv] for [v-ing]	16
26	have been [verb] [adv] for many	16
27	have been [verb] [adv] for [prep]	13
28	have been [verb] [adv] for [prep]	13
29	have been [verb] [adv] for this	12
30	have been [verb] [adv] for two	12