SN4 ""

No	Pattern	Freq
1	may have [vb pp] their [noun]	36
2	may have [vb pp] their [noun sg]	22
3	may have [vb pp] their [noun pl]	14
4	may have [vb pp] their [adj]	7
5	[noun] may have [vb pp] their	25
6	[noun pl] may have [vb pp] their	15
7	[pron] may have [vb pp] their	10
8	[pers pn] may have [vb pp] their	8
9	they may have [vb pp] their	8
10	[noun sg] may have [vb pp] their	6
11	they may have [vb pp] their	6
12	may [adv] have [vb pp] their	13
13	may [adv] have [vb pp] their	8
14	may [not/n't] have [vb pp] their	5
15	may not have [vb pp] their	5
16	may not have [vb pp] their	5
17	may have [adv] [vb pp] their	6
18	may have already [vb pp] their	6
19	may have [adv] [vb pp] their	6
20	may have already [vb pp] their	6
21	may have [vb pp] [prep] their	16
22	may have [vb pp] [prep] their	16