SN4 ""

No	Pattern	Freq
1	[noun] have been used [prep] [noun]	51
2	[noun pl] have been used [prep] [noun]	43
3	[noun sg] have been used [prep] [noun]	7
4	[pron] have been used [prep] [noun]	6
5	[Wh det] have been used [prep] [noun]	6
6	which have been used [prep] [noun]	6
7	which have been used [prep] [noun]	6
8	have [adv] been used [prep] [noun]	23
9	have [adv] been used [prep] [noun]	22
10	have also been used [prep] [noun]	6
11	have also been used [prep] [noun]	6
12	have long been used [prep] [noun]	5
13	have long been used [prep] [noun]	5
14	have been used [adv] [prep] [noun]	10
15	have been used [adv] [prep] [noun]	10
16	have been used [prep] [adj] [noun]	51
17	have been used [prep] [art] [noun]	38
18	have been used [prep] [art] [noun]	38
19	have been used [prep] [adj] [noun]	33
20	have been used [prep] the [noun]	32
21	have been used [prep] the [noun]	32
22	have been used [prep] [det] [noun]	16
23	have been used [prep] [noun] [noun]	15
24	have been used [prep] [noun sg] [noun]	14
25	have been used [prep] [verb] [noun]	6
26	have been used [prep] a [noun]	6
27	have been used [prep] some [noun]	6
28	have been used [prep] some [noun]	6
29	have been used [prep] [v-ing] [noun]	6
30	have been used [prep] a [noun]	5