SN4 ""

No	Pattern	Freq
1	may have [verb] the	511
2	may have [vb pp] the	444
3	may have [to-vb] the	67
4	may have see the	34
5	may have seen the	34
6	may have give the	16
7	may have given the	15
8	may have influence the	11
9	may have influenced the	11
10	may have reduced the	8
11	may have affected the	8
12	may have reduce the	8
13	may have affect the	8
14	may have found the	7
15	may have make the	7
16	may have find the	7
17	may have reached the	6
18	may have lost the	6
19	may have got the	6
20	may have witnessed the	6
21	may have caused the	6
22	may have take the	6
23	may have cause the	6
24	may have witness the	6
25	may have had the	6
26	may have made the	6
27	may have get the	6
28	may have reach the	6
29	may have have the	6
30	may have miss the	6