SN4 ""

No	Pattern	Freq
1	[vb mod] have have [adj]	121
2	[modal v] have have [adj]	119
3	[modal v] have had [adj]	111
4	would have have [adj]	37
5	would have have [adj]	37
6	may have have [adj]	26
7	may have have [adj]	26
8	could have have [adj]	16
9	could have have [adj]	16
10	must have have [adj]	15
11	must have have [adj]	15
12	will have have [adj]	12
13	[modal v] have to have [adj]	10
14	will have have [adj]	9
15	might have have [adj]	7
16	might have have [adj]	7
17	[modal v] have have serious	6
18	should have have [adj]	5
19	should have have [adj]	5