SN4 ""

No	Pattern	Freq
1	there have been [det] [noun sg]	515
2	there has been [det] [noun]	299
3	there have been [det] [noun pl]	269
4	there have been some [noun]	265
5	there have been [det] [noun]	217
6	there had been [det] [noun]	202
7	there have been many [noun]	95
8	there have been little [noun]	86
9	there have been much [noun]	84
10	there have been any [noun]	72
11	there have been several [noun]	63
12	there 's been [det] [noun]	55
13	there have been few [noun]	32
14	there have been more [noun]	30
15	there have been [det] attempt	29
16	there have been [det] discussion	28
17	there have been [det] discussion	27
18	there have been [det] change	26
19	there have been [det] debate	25
20	there have been [det] debate	25
21	there have been another [noun]	24
22	there have been [det] attempts	20
23	there have been [det] changes	17
24	there 'd been [det] [noun]	16
25	there have been [det] studies	15
26	there have been [det] study	15
27	there have been [det] research	12
28	there have been [det] research	12
29	there have been [det] improvement	11
30	there have been [det] progress	10