SN4 ""

No	Pattern	Freq
1	have [vb pp] over the [adj]	148
2	have [vb pp] over the [num ord]	140
3	have [vb pp] over the last	131
4	have [vb pp] over the last	131
5	has [vb pp] over the [adj]	109
6	have [vb pp] over the past	101
7	have [vb pp] over the past	101
8	have [vb pp] over the [adj]	74
9	had [vb pp] over the [adj]	67
10	have changed over the [adj]	25
11	've [vb pp] over the [adj]	24
12	have increased over the [adj]	14
13	have done over the [adj]	12
14	have [vb pp] over the previous	11
15	have [vb pp] over the previous	11
16	have doubled over the [adj]	10
17	have happened over the [adj]	9
18	have improved over the [adj]	8
19	have got over the [adj]	8
20	have developed over the [adj]	8
21	have presided over the [adj]	7
22	's [vb pp] over the [adj]	7
23	to have [vb pp] over the [adj]	7
24	have evolved over the [adj]	7
25	have emerged over the [adj]	7
26	have made over the [adj]	6
27	have [vb pp] over the [adj]	6
28	have occurred over the [adj]	6
29	have fallen over the [adj]	5
30	having [vb pp] over the [adj]	5