SN4 ""

No	Pattern	Freq
1	there have been changes	27
2	there have been changes	27
3	[ex0] have been changes	27
4	[pron] have been changes	27
5	have been [adj] changes	63
6	have been [adj] changes	42
7	have been [det] changes	19
8	have been many changes	8
9	have been many changes	8
10	have been [art] changes	7
11	have been major changes	7
12	have been major changes	7
13	have been [verb] changes	7
14	have been [art] changes	7
15	have been significant changes	6
16	have been significant changes	6
17	have been some changes	6
18	have been some changes	6
19	have been [v-ing] changes	5
20	have been changes [prep]	26
21	have been changes [prep]	26
22	have been changes in	18
23	have been changes in	18