SN4 ""

No	Pattern	Freq
1	have been [verb] for [det] [noun]	394
2	have been [vb pp] for [det] [noun]	250
3	have been [verb] for [det] [noun sg]	220
4	have been [verb] for [det] [noun pl]	170
5	have been [verb] for some [noun]	167
6	have been [v-ing] for [det] [noun]	143
7	had been [verb] for [det] [noun]	136
8	has been [verb] for [det] [noun]	118
9	have been [verb] for [det] time	114
10	have been [verb] for [det] time	114
11	have been [verb] for [det] year	109
12	have been [verb] for [det] years	106
13	have been [verb] for [det] [noun]	91
14	have been [verb] for many [noun]	77
15	have been [verb] for this [noun]	57
16	have been [verb] for several [noun]	41
17	have been know for [det] [noun]	31
18	have been known for [det] [noun]	31
19	have been use for [det] [noun]	21
20	have been used for [det] [noun]	21
21	've been [verb] for [det] [noun]	19
22	have been waiting for [det] [noun]	16
23	have been wait for [det] [noun]	16
24	have been [verb] for [det] reason	15
25	have been [verb] for [det] reason	14
26	have been [verb] for [det] [noun]	14
27	have been run for [det] [noun]	12
28	have been [verb] for [det] months	11
29	have been [verb] for [det] week	11
30	have been running for [det] [noun]	11