SN4 ""

No	Pattern	Freq
1	have long been [verb] [prep]	233
2	have long been [vb pp] [prep]	224
3	have long been [adj] [prep]	70
4	have long been [adj] [prep]	63
5	have long been used [prep]	20
6	have long been use [prep]	20
7	have long been [noun] [prep]	19
8	have long been known [prep]	17
9	have long been know [prep]	17
10	have long been regard [prep]	16
11	have long been regarded [prep]	16
12	have long been recognised [prep]	12
13	have long been recognise [prep]	12
14	have long been associated [prep]	10
15	have long been associate [prep]	10
16	have long been [noun pl] [prep]	10
17	have long been establish [prep]	9
18	have long been [v-ing] [prep]	9
19	have long been [noun sg] [prep]	9
20	have long been established [prep]	9
21	have long been [num] [prep]	6
22	have long been interested [prep]	6
23	have long been interested [prep]	6
24	have long been one [prep]	6
25	have long been one [prep]	6
26	have long been suspect [prep]	5
27	have long been recognize [prep]	5
28	have long been suspected [prep]	5
29	have long been recognized [prep]	5
30	[noun] have long been [prep]	13