SN4 ""

No	Pattern	Freq
1	have [adv] been use	373
2	have [adv] [been] used	350
3	have [adv] [been] use	298
4	has [adv] [been] use	169
5	have [adv] [been] use	109
6	had [adv] [been] use	81
7	have not [been] use	75
8	have [not/n't] [been] use	75
9	have not [been] use	62
10	have also [been] use	57
11	have also [been] use	57
12	have already [been] use	41
13	have already [been] use	41
14	have long [been] use	25
15	have long [been] use	25
16	have [adv] [been] using	23
17	have never [been] use	21
18	have never [been] use	21
19	have often [been] use	14
20	have traditionally [been] use	14
21	have often [been] use	14
22	have traditionally [been] use	14
23	have only [been] use	13
24	have only [been] use	13
25	have n't [been] use	13
26	have previously [been] use	8
27	have previously [been] use	8
28	have always [been] use	7
29	have frequently [been] use	7
30	have always [been] use	7