SN4 ""

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