SN4 ""

No	Pattern	Freq
1	[noun] may have had [adj]	38
2	[pron] may have had [adj]	31
3	[pers pn] may have had [adj]	23
4	[noun sg] may have had [adj]	20
5	they may have had [adj]	9
6	they may have had [adj]	9
7	[noun prp] may have had [adj]	8
8	[noun pl] may have had [adj]	8
9	he may have had [adj]	7
10	he may have had [adj]	7
11	she may have had [adj]	5
12	she may have had [adj]	5
13	may [adv] have had [adj]	17
14	may [adv] have had [adj]	9
15	may [not/n't] have had [adj]	8
16	may not have had [adj]	8
17	may not have had [adj]	8
18	may well have had [adj]	6
19	may well have had [adj]	6
20	may have had [art] [adj]	42
21	may have had [art] [adj]	42
22	may have had a [adj]	41
23	may have had a [adj]	37
24	may have had [adj] [adj]	15
25	may have had [det] [adj]	9
26	may have had some [adj]	6
27	may have had some [adj]	6
28	may have had [adv] [adj]	5
29	may have had [adv] [adj]	5
30	may have had [adj] [noun]	59