SN4 ""

No	Pattern	Freq
1	[vb mod] have had [adj]	445
2	[modal v] have had [adj]	445
3	would have had [adj]	125
4	would have had [adj]	108
5	[adv] have had [adj]	103
6	may have had [adj]	80
7	may have had [adj]	80
8	must have had [adj]	75
9	must have had [adj]	75
10	could have had [adj]	59
11	could have had [adj]	59
12	not have had [adj]	58
13	[not/n't] have had [adj]	58
14	should have had [adj]	45
15	[adv] have had [adj]	45
16	should have had [adj]	45
17	might have had [adj]	31
18	might have had [adj]	31
19	n't have had [adj]	30
20	not have had [adj]	28
21	will have had [adj]	23
22	will have had [adj]	21
23	'd have had [adj]	17
24	well have had [adj]	9
25	well have had [adj]	9
26	[pron] have had [adj]	8
27	[pers pn] have had [adj]	8
28	can have had [adj]	6
29	can have had [adj]	6
30	also have had [adj]	5