SN4 ""

No	Pattern	Freq
1	[vb mod] have been [prep] [pron]	154
2	[modal v] have been [prep] [pron]	152
3	[modal v] have been [prep] [pos pn]	90
4	would have been [prep] [pron]	59
5	would have been [prep] [pron]	50
6	[modal v] have been [prep] [pers pn]	47
7	[modal v] have been in [pron]	45
8	must have been [prep] [pron]	34
9	must have been [prep] [pron]	34
10	[modal v] have been [prep] his	31
11	[modal v] have been [prep] his	31
12	[modal v] have been on [pron]	23
13	should have been [prep] [pron]	23
14	should have been [prep] [pron]	23
15	[modal v] have been [prep] her	19
16	[modal v] have been [prep] her	19
17	[modal v] have been for [pron]	18
18	[modal v] have been with [pron]	16
19	[modal v] have been [prep] [indef pn]	15
20	[modal v] have been [prep] them	14
21	[modal v] have been [prep] they	14
22	[modal v] have been at [pron]	13
23	might have been [prep] [pron]	12
24	[modal v] have been [prep] my	12
25	might have been [prep] [pron]	12
26	[modal v] have been [prep] my	12
27	[modal v] have been [prep] their	11
28	[modal v] have been [prep] their	11
29	[modal v] have been [prep] it	10
30	[modal v] have been [prep] it	10