SN4 ""

No	Pattern	Freq
1	have been [verb] for [num] years	195
2	have been [v-ing] for [num] years	103
3	has been [verb] for [num] years	97
4	have been [vb pp] for [num] years	92
5	had been [verb] for [num] years	43
6	have been jail for [num] years	26
7	have been [verb] for two years	26
8	have been jailed for [num] years	26
9	have been [verb] for [num] years	25
10	have been [verb] for three years	25
11	have been run for [num] years	16
12	have been running for [num] years	15
13	've been [verb] for [num] years	14
14	have been [verb] for five years	13
15	have been [verb] for seven years	12
16	have been go for [num] years	11
17	have been going for [num] years	10
18	have been [verb] for twenty years	9
19	have been [verb] for 20 years	9
20	have been [verb] for ten years	9
21	have been [verb] for eight years	8
22	have been [verb] for 12 years	7
23	's been [verb] for [num] years	7
24	have been [verb] for four years	7
25	have been trying for [num] years	6
26	have been [verb] for thirty years	6
27	have been fly for [num] years	6
28	have been [verb] for 15 years	6
29	have been try for [num] years	6
30	have been working for [num] years	6