SN4 ""

No	Pattern	Freq
1	[pron] may have be	1031
2	[pron] may have been	1028
3	[pers pn] may have be	669
4	it may have be	322
5	it may have be	322
6	there may have be	157
7	[ex0] may have be	157
8	there may have be	157
9	[Wh det] may have be	153
10	they may have be	123
11	which may have be	120
12	which may have be	120
13	he may have be	113
14	they may have be	112
15	he may have be	111
16	[Wh pn] may have be	50
17	who may have be	48
18	who may have be	48
19	she may have be	35
20	she may have be	35
21	you may have be	30
22	you may have be	30
23	we may have be	23
24	i may have be	23
25	we may have be	23
26	i may have be	21
27	what may have be	18
28	what may have be	18
29	whatever may have be	15
30	whatever may have be	15