SN4 ""

No	Pattern	Freq
1	[modal v] have been [adv] [adj -er]	120
2	[vb mod] have been [adv] [adj -er]	120
3	would have been [adv] [adj -er]	67
4	would have been [adv] [adj -er]	67
5	[noun] have been [adv] [adj -er]	50
6	[noun sg] have been [adv] [adj -er]	29
7	[pron] have been [adv] [adj -er]	18
8	could have been [adv] [adj -er]	17
9	could have been [adv] [adj -er]	17
10	[noun pl] have been [adv] [adj -er]	14
11	might have been [adv] [adj -er]	12
12	might have been [adv] [adj -er]	12
13	must have been [adv] [adj -er]	11
14	must have been [adv] [adj -er]	11
15	[pers pn] have been [adv] [adj -er]	9
16	may have been [adv] [adj -er]	8
17	[verb] have been [adv] [adj -er]	8
18	[adv] have been [adv] [adj -er]	8
19	may have been [adv] [adj -er]	8
20	[adv] have been [adv] [adj -er]	6
21	should have been [adv] [adj -er]	5
22	[Wh det] have been [adv] [adj -er]	5
23	should have been [adv] [adj -er]	5
24	which have been [adv] [adj -er]	5
25	which have been [adv] [adj -er]	5
26	[noun prp] have been [adv] [adj -er]	5
27	have [adv] been [adv] [adj -er]	11
28	have [adv] been [adv] [adj -er]	10
29	have been [adv] [adv] [adj -er]	25
30	have been [adv] [adv] [adj -er]	23