SN4 ""

No	Pattern	Freq
1	must have [verb] [prep] the [noun]	111
2	must have [vb pp] [prep] the [noun]	110
3	must have [verb] [prep] the [noun sg]	93
4	must have [verb] to the [noun]	16
5	must have [verb] [prep] the [noun pl]	11
6	must have [verb] in the [noun]	10
7	must have [verb] from the [noun]	10
8	must have [verb] at the [noun]	9
9	must have [verb] about the [noun]	8
10	must have [verb] on the [noun]	8
11	must have come [prep] the [noun]	7
12	must have come [prep] the [noun]	7
13	must have [verb] [prep] the [noun prp]	7
14	must have [verb] into the [noun]	7
15	must have know [prep] the [noun]	5
16	must have [verb] of the [noun]	5
17	must have known [prep] the [noun]	5