SN4 ""

No	Pattern	Freq
1	[pron] have been [adv] [adj] for	99
2	[pers pn] have been [adv] [adj] for	79
3	[modal v] have been [adv] [adj] for	79
4	[vb mod] have been [adv] [adj] for	79
5	[noun] have been [adv] [adj] for	68
6	would have been [adv] [adj] for	38
7	it have been [adv] [adj] for	38
8	would have been [adv] [adj] for	38
9	it have been [adv] [adj] for	38
10	[noun sg] have been [adv] [adj] for	36
11	must have been [adv] [adj] for	22
12	must have been [adv] [adj] for	22
13	[noun pl] have been [adv] [adj] for	19
14	[adv] have been [adv] [adj] for	18
15	i have been [adv] [adj] for	13
16	[adj] have been [adv] [adj] for	13
17	i have been [adv] [adj] for	13
18	[noun prp] have been [adv] [adj] for	13
19	he have been [adv] [adj] for	11
20	[not/n't] have been [adv] [adj] for	10
21	[Wh det] have been [adv] [adj] for	10
22	not have been [adv] [adj] for	10
23	he have been [adv] [adj] for	10
24	[Wh pn] have been [adv] [adj] for	9
25	[verb] have been [adv] [adj] for	9
26	which have been [adv] [adj] for	8
27	[adv] have been [adv] [adj] for	8
28	which have been [adv] [adj] for	8
29	who have been [adv] [adj] for	8
30	who have been [adv] [adj] for	8