SN4 ""

No	Pattern	Freq
1	there have been [adj] [noun pl]	552
2	there have been [adj] [noun]	305
3	there have been [det] [noun]	217
4	there have been [num] [noun]	80
5	there have been many [noun]	79
6	there have been many [noun]	79
7	there have been [adj] [noun sg]	55
8	there have been some [noun]	48
9	there have been some [noun]	48
10	there have been [adj] change	46
11	there have been [adj] changes	46
12	there have been several [noun]	44
13	there have been several [noun]	44
14	there have been [adj] attempt	33
15	there have been [adj] attempts	33
16	there have been few [noun]	28
17	there have been few [noun]	28
18	there have been numerous [noun]	24
19	there have been numerous [noun]	24
20	there have been other [noun]	23
21	there have been other [noun]	23
22	there have been [adj] studies	22
23	there have been [adj] study	22
24	there have been two [noun]	20
25	there have been two [noun]	20
26	there have been [adj] reports	17
27	there have been [adj] development	17
28	there have been [adj] developments	17
29	there have been [adj] report	17
30	there have been [adj -er] [noun]	16