SN4 ""

No	Pattern	Freq
1	have been [adv] for [adj] [noun pl]	71
2	have been [adv] for [num] [noun pl]	56
3	have been [adv] for [adj] years	38
4	had been [adv] for [adj] [noun pl]	26
5	have been there for [adj] [noun pl]	21
6	have been here for [adj] [noun pl]	20
7	have been [adv] for [det] [noun pl]	13
8	has been [adv] for [adj] [noun pl]	13
9	've been [adv] for [adj] [noun pl]	12
10	have been [adv] for [adj] months	12
11	have been together for [adj] [noun pl]	12
12	have been [adv] for two [noun pl]	10
13	have been [adv] for two [noun pl]	10
14	have been away for [adj] [noun pl]	9
15	have been [adv] for six [noun pl]	8
16	have been [adv] for six [noun pl]	8
17	have been [adv] for [adj] days	6
18	have been [adv] for [adj] [noun pl]	6
19	'd been [adv] for [adj] [noun pl]	6
20	have been [adv] for three [noun pl]	5
21	have been [adv] for many [noun pl]	5
22	have been [adv] for five [noun pl]	5
23	have been [adv] for five [noun pl]	5
24	have been [adv] for many [noun pl]	5
25	have been [adv] for three [noun pl]	5
26	have been [adv] for [adj] weeks	5