SN4 ""

No	Pattern	Freq
1	have been [v-ing] [adj] [noun] for	109
2	have been [v-ing] [adj] [noun sg] for	59
3	have been [v-ing] [det] [noun] for	52
4	have been [v-ing] [adj] [noun] for	51
5	have been [v-ing] [adj] [noun pl] for	46
6	have been [v-ing] [adj] [noun] for	37
7	had been [v-ing] [adj] [noun] for	26
8	have been [v-ing] this [noun] for	25
9	have been [v-ing] this [noun] for	25
10	've been [v-ing] [adj] [noun] for	20
11	has been [v-ing] [adj] [noun] for	14
12	have been doing [adj] [noun] for	9
13	have been [v-ing] [adj] other for	7
14	have been [v-ing] each [noun] for	7
15	have been [v-ing] [adj] other for	7
16	have been [v-ing] each [noun] for	7
17	have been waiting [adj] [noun] for	6
18	have been [v-ing] [num] [noun] for	5
19	have been [v-ing] that [noun] for	5
20	have been [v-ing] that [noun] for	5
21	'd been [v-ing] [adj] [noun] for	5