SN4 ""

No	Pattern	Freq
1	[noun pl] have [adv] been [adj]	297
2	[noun pl] have [adv] been [adj]	234
3	[noun pl] have always been [adj]	88
4	[noun pl] had [adv] been [adj]	58
5	[noun pl] has [adv] been [adj]	54
6	[noun pl] have never been [adj]	50
7	[noun pl] have also been [adj]	36
8	[noun pl] have [adv] been able	31
9	[noun pl] have [adv] been able	31
10	[noun pl] have [adv] been [adj -er]	28
11	[noun pl] have long been [adj]	25
12	[noun pl] have often been [adj]	17
13	[noun pl] have generally been [adj]	11
14	[noun pl] have [adv] been [det]	11
15	[noun pl] have [adv] been involved	10
16	[noun pl] have already been [adj]	10
17	[noun pl] have [adv] been involved	10
18	[noun pl] have [adv] been popular	9
19	[noun pl] have [adv] been popular	9
20	[noun pl] have [adv] been [num]	8
21	[noun pl] have [adv] been concerned	8
22	[noun pl] have only been [adj]	8
23	[noun pl] have [adv] been concerned	8
24	[noun pl] have [adv] been one	7
25	[noun pl] have traditionally been [adj]	7
26	[noun pl] have [adv] been low	7
27	[noun pl] have [adv] been one	7
28	[noun pl] have ever been [adj]	6
29	[noun pl] have [adv] been good	6
30	[noun pl] have now been [adj]	6