SN4 ""

No	Pattern	Freq
1	have been [verb] in [det]	727
2	have been [vb pp] in [det]	679
3	has been [verb] in [det]	287
4	have been [verb] in this	229
5	have been [verb] in [det]	215
6	have been [verb] in some	122
7	had been [verb] in [det]	102
8	have been [verb] in [det]	68
9	have been [verb] in many	60
10	have been [verb] in that	55
11	have been [v-ing] in [det]	47
12	have been [verb] in several	46
13	have been [verb] in any	44
14	have been [verb] in all	35
15	have been [verb] in such	29
16	have been use in [det]	27
17	have been used in [det]	26
18	have been find in [det]	25
19	have been found in [det]	25
20	have been [verb] in these	24
21	have been make in [det]	24
22	have been made in [det]	24
23	to have been [verb] in [det]	22
24	have been [verb] in most	22
25	have been describe in [det]	18
26	have been described in [det]	17
27	have been [verb] in half	16
28	have been do in [det]	15
29	have been cut in [det]	14
30	have been cut in [det]	14