SN4 ""

No	Pattern	Freq
1	he [vb mod] have been [verb]	473
2	he [modal v] have been [vb pp]	269
3	he [modal v] have been [v-ing]	203
4	he would have been [verb]	107
5	he would have been [verb]	94
6	he must have been [verb]	85
7	he might have been [verb]	85
8	he must have been [verb]	85
9	he might have been [verb]	85
10	he could have been [verb]	71
11	he could have been [verb]	71
12	he should have been [verb]	69
13	he should have been [verb]	69
14	he may have been [verb]	45
15	he may have been [verb]	45
16	he 'd have been [verb]	13
17	he [modal v] have been do	12
18	he [modal v] have been put	12
19	he will have been [verb]	11
20	he [modal v] have been killed	10
21	he [modal v] have been expect	10
22	he [modal v] have been kill	10
23	he [modal v] have been give	9
24	he [modal v] have been put	9
25	he [modal v] have been take	9
26	he [modal v] have been expected	7
27	he will have been [verb]	7
28	he [modal v] have been bear	7
29	he [modal v] have been talk	7
30	he [modal v] have been talking	7