SN4 ""

No	Pattern	Freq
1	there have been [det] [noun pl]	195
2	there have been many [noun pl]	85
3	there have been several [noun pl]	59
4	there have been some [noun pl]	59
5	there had been [det] [noun pl]	58
6	there have been few [noun pl]	30
7	there have been [det] attempts	20
8	there have been any [noun pl]	18
9	there have been [det] changes	17
10	there have been [det] studies	15
11	there 's been [det] [noun pl]	9
12	there have been [det] examples	8
13	there have been [det] cases	8
14	there have been more [noun pl]	7
15	there have been [det] reports	6
16	there have been [det] suggestions	6
17	there have been [det] occasions	6
18	there have been [det] problems	5
19	there have been [det] times	5