SN4 ""

No	Pattern	Freq
1	have been [vb pp] in [det] [noun sg]	328
2	has been [vb pp] in [det] [noun]	205
3	have been [vb pp] in this [noun]	189
4	have been [vb pp] in [det] [noun pl]	171
5	have been [vb pp] in [det] [noun]	154
6	have been [vb pp] in [det] way	89
7	have been [vb pp] in some [noun]	88
8	have been [vb pp] in [det] way	83
9	had been [vb pp] in [det] [noun]	65
10	have been [vb pp] in [det] [noun]	48
11	have been [vb pp] in many [noun]	40
12	have been [vb pp] in that [noun]	38
13	have been [vb pp] in any [noun]	37
14	have been [vb pp] in [det] case	33
15	have been [vb pp] in several [noun]	31
16	have been [vb pp] in [det] area	28
17	have been [vb pp] in [det] country	25
18	have been made in [det] [noun]	19
19	have been [vb pp] in [det] cases	18
20	have been [vb pp] in [det] country	18
21	have been used in [det] [noun]	18
22	have been [vb pp] in these [noun]	18
23	have been [vb pp] in [det] chapter	17
24	have been [vb pp] in [det] chapter	17
25	have been [vb pp] in [det] study	16
26	have been found in [det] [noun]	16
27	have been [vb pp] in [det] case	15
28	to have been [vb pp] in [det] [noun]	15
29	have been [vb pp] in [det] detail	15
30	have been [vb pp] in [det] detail	15