SN4 ""

No	Pattern	Freq
1	have been [verb] for [adj] month	68
2	have been [verb] for [adj] months	67
3	have been [verb] for [num] month	56
4	have been [vb pp] for [adj] month	50
5	has been [verb] for [adj] month	36
6	had been [verb] for [adj] month	20
7	have been jailed for [adj] month	19
8	have been jail for [adj] month	19
9	have been [v-ing] for [adj] month	18
10	have been [verb] for six month	13
11	have been [verb] for six month	13
12	have been [verb] for [det] month	11
13	have been [verb] for [adj] month	9
14	have been [verb] for three month	8
15	have been [verb] for three month	8
16	have been run for [adj] month	6
17	have been [verb] for several month	6
18	have been running for [adj] month	6
19	have been [verb] for several month	6
20	have been [verb] for two month	5
21	have been [verb] for two month	5