SN4 ""

No	Pattern	Freq
1	[noun pl] have been	14811
2	[noun sg] have been	3959
3	[noun prp] have been	1272
4	[n mass] have been	837
5	people have been	470
6	people have been	464
7	woman have been	132
8	women have been	128
9	study have been	127
10	year have been	115
11	company have been	111
12	studies have been	111
13	change have been	109
14	child have been	107
15	children have been	104
16	changes have been	102
17	results have been	100
18	result have been	100
19	attempt have been	98
20	attempts have been	98
21	other have been	98
22	others have been	98
23	years have been	93
24	government have been	92
25	companies have been	91
26	man have been	91
27	system have been	87
28	thing have been	85
29	things have been	85
30	men have been	83