SN4 ""

No	Pattern	Freq
1	might have [vb pp] [verb]	197
2	might have [vb pp] [verb]	194
3	might have [vb pp] [to-vb]	138
4	might have [vb pp] have	32
5	might have [vb pp] [vb past]	26
6	might have [vb pp] had	24
7	might have had [verb]	23
8	might have wanted [verb]	17
9	might have [vb pp] [vb pp]	14
10	might have [vb pp] [v-ing]	11
11	might have helped [verb]	11
12	might have tried [verb]	9
13	might have expected [verb]	8
14	might have continued [verb]	7
15	might have chosen [verb]	7
16	might have done [verb]	7
17	might have [vb pp] to see	6
18	might have [vb pp] to have	6
19	might have happened [verb]	6
20	might have wished [verb]	6
21	might have [vb pp] see	6
22	might have [vb pp] to go	5
23	might have [vb pp] kill	5
24	might have got [verb]	5
25	might have [vb pp] to kill	5
26	might have [vb pp] [vb infin]	5
27	might have come [verb]	5
28	might have preferred [verb]	5
29	might have [vb pp] go	5