SN4 ""

No	Pattern	Freq
1	been [adj] for [det] [noun]	173
2	been [adj] for some [noun]	104
3	been [adj] for [det] [noun sg]	100
4	been [adj] for [det] time	79
5	been [adj] for [det] time	79
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]	26
10	been [adj] for several [noun]	22
11	been ill for [det] [noun]	10
12	been empty for [det] [noun]	10
13	been responsible for [det] [noun]	10
14	been responsible for [det] [noun]	10
15	been ill for [det] [noun]	10
16	been empty for [det] [noun]	10
17	been available for [det] [noun]	9
18	been available for [det] [noun]	9
19	been dead for [det] [noun]	8
20	been dead for [det] [noun]	8
21	been [adj] for [det] month	7
22	been [adj] for [det] months	7
23	been concerned for [det] [noun]	6
24	been clear for [det] [noun]	6
25	been clear for [det] [noun]	6
26	been concerned for [det] [noun]	6
27	been [adj] for any [noun]	5
28	been unwell for [det] [noun]	5
29	been [adj] for [det] day	5
30	been possible for [det] [noun]	5