SN4 ""

No	Pattern	Freq
1	[vb mod] [adv] have have [noun]	50
2	[modal v] [adv] have have [noun]	50
3	[modal v] [adv] have had [noun]	48
4	[modal v] [adv] have have [noun sg]	33
5	[modal v] [adv] have have [noun]	29
6	[modal v] [not/n't] have have [noun]	21
7	[modal v] not have have [noun]	21
8	would [adv] have have [noun]	19
9	would [adv] have have [noun]	17
10	may [adv] have have [noun]	13
11	may [adv] have have [noun]	13
12	[modal v] [adv] have have [noun pl]	13
13	[modal v] not have have [noun]	12
14	[modal v] [adv] have have time	11
15	[modal v] [adv] have have time	11
16	[modal v] n't have have [noun]	9
17	could [adv] have have [noun]	7
18	could [adv] have have [noun]	7
19	will [adv] have have [noun]	6
20	will [adv] have have [noun]	5