SN4 ""

No	Pattern	Freq
1	have been [v-ing] [det]	762
2	have been [vb pp] [det]	668
3	had been [verb] [det]	356
4	has been [verb] [det]	351
5	have been [verb] this	329
6	have been [verb] that	263
7	have been [verb] [det]	255
8	've been [verb] [det]	230
9	have been [verb] all	229
10	have been [verb] some	194
11	have been do [det]	154
12	have been doing [det]	136
13	have been [verb] [det]	105
14	have been give [det]	91
15	's been [verb] [det]	88
16	have been given [det]	81
17	have been [verb] several	75
18	have been [verb] many	67
19	'd been [verb] [det]	66
20	have been [verb] more	65
21	have been [to-vb] [det]	65
22	have been [verb] these	48
23	have been [verb] such	44
24	have been tell [det]	39
25	have been told [det]	38
26	have been [verb] each	34
27	have been use [det]	33
28	have been [verb] any	32
29	to have been [verb] [det]	31
30	have been say [det]	29