SN4 ""

No	Pattern	Freq
1	been [adj] for [det] [noun]	176
2	been [adj] for [det] [noun]	173
3	been [adj] for some [noun]	104
4	been [adj] for [det] [noun sg]	100
5	been [adj] for [det] time	79
6	been [adj] for [det] time	79
7	been [adj] for [det] [noun pl]	73
8	been [adj] for [det] years	42
9	been [adj] for [det] year	42
10	been [adj] for many [noun]	26
11	been [adj] for several [noun]	22
12	been responsible for [det] [noun]	10
13	been empty for [det] [noun]	10
14	been ill for [det] [noun]	10
15	been ill for [det] [noun]	10
16	been empty for [det] [noun]	10
17	been responsible for [det] [noun]	10
18	been available for [det] [noun]	9
19	been available for [det] [noun]	9
20	been dead for [det] [noun]	8
21	been dead for [det] [noun]	8
22	been [adj] for [det] month	7
23	been [adj] for [det] months	7
24	been clear for [det] [noun]	6
25	been clear for [det] [noun]	6
26	been concerned for [det] [noun]	6
27	been concerned for [det] [noun]	6
28	been unwell for [det] [noun]	5
29	been possible for [det] [noun]	5
30	been [adj] for [det] day	5