SN4 ""

No	Pattern	Freq
1	there have been [noun]	466
2	[ex0] have been [noun pl]	434
3	[ex0] have been attempt	30
4	[ex0] have been attempts	30
5	[ex0] have been change	24
6	[ex0] have been changes	24
7	[ex0] have been case	23
8	[ex0] have been cases	23
9	[ex0] have been [noun sg]	21
10	[ex0] have been suggestions	18
11	[ex0] have been occasion	18
12	[ex0] have been suggestion	18
13	[ex0] have been occasions	18
14	[ex0] have been problems	16
15	[ex0] have been report	16
16	[ex0] have been problem	16
17	[ex0] have been reports	16
18	[ex0] have been rumour	10
19	[ex0] have been rumours	10
20	[ex0] have been calls	10
21	[ex0] have been call	10
22	[ex0] have been complaints	9
23	[ex0] have been [n mass]	9
24	[ex0] have been complaint	9
25	[ex0] have been instance	7
26	[ex0] have been people	7
27	[ex0] have been people	7
28	[ex0] have been signs	7
29	[ex0] have been sign	7
30	[ex0] have been instances	7