SN4 ""

No	Pattern	Freq
1	have been use [prep] [adj] [noun pl]	108
2	have been used [prep] [adj] [noun pl]	107
3	have been use [prep] [adj] [noun pl]	66
4	has been use [prep] [adj] [noun pl]	42
5	have been use in [adj] [noun pl]	41
6	have been use in [adj] [noun pl]	41
7	have been use for [adj] [noun pl]	34
8	have been use [prep] [det] [noun pl]	34
9	have been use for [adj] [noun pl]	34
10	have been use [prep] [adj] [noun pl]	34
11	have been use by [adj] [noun pl]	19
12	have been use by [adj] [noun pl]	19
13	had been use [prep] [adj] [noun pl]	19
14	have been use [prep] many [noun pl]	16
15	have been use [prep] [adj] years	16
16	have been use [prep] many [noun pl]	16
17	have been use [prep] some [noun pl]	8
18	have been use [prep] [adj] [noun pl]	8
19	have been use [prep] some [noun pl]	8
20	have been use [prep] other [noun pl]	7
21	have been use [prep] other [noun pl]	7
22	have been use [prep] [num] [noun pl]	6
23	have been use [prep] [adj] studies	6
24	have been use [prep] [adj] times	5