SN4 ""

No	Pattern	Freq
1	[adv] been used [prep]	169
2	[adv] been used in	54
3	[adv] been used for	49
4	[not/n't] been used [prep]	44
5	not been used [prep]	44
6	[adv] been used as	37
7	not been used [prep]	37
8	[adv] been used by	31
9	also been used [prep]	28
10	also been used [prep]	28
11	long been used [prep]	20
12	long been used [prep]	20
13	already been used [prep]	17
14	already been used [prep]	17
15	never been used [prep]	15
16	never been used [prep]	15
17	[adv] been used to	11
18	only been used [prep]	10
19	only been used [prep]	10
20	often been used [prep]	8
21	previously been used [prep]	8
22	previously been used [prep]	8
23	often been used [prep]	8
24	n't been used [prep]	7
25	[adv] been used on	5
26	[adv] been used since	5
27	traditionally been used [prep]	5
28	traditionally been used [prep]	5
29	[adv] been used at	5