SN4 ""

No	Pattern	Freq
1	been [adj] for [det] [noun]	173
2	been [adj] for some [noun]	102
3	been [adj] for [det] [noun sg]	99
4	been [adj] for [det] time	78
5	been [adj] for [det] time	78
6	been [adj] for [det] [noun pl]	73
7	been [adj] for [det] years	42
8	been [adj] for [det] year	42
9	been [adj] for many [noun]	25
10	been [adj] for several [noun]	22
11	been responsible for [det] [noun]	10
12	been ill for [det] [noun]	10
13	been empty for [det] [noun]	10
14	been available for [det] [noun]	9
15	been dead for [det] [noun]	8
16	been [adj] for [det] months	7
17	been [adj] for [det] month	7
18	been clear for [det] [noun]	6
19	been concerned for [det] [noun]	6
20	been possible for [det] [noun]	5
21	been [adj] for any [noun]	5
22	been [adj] for [det] day	5
23	been unwell for [det] [noun]	5