SN4 ""

No	Pattern	Freq
1	have [vb pp] [prep] the last	416
2	have [verb] in the last	178
3	has [verb] [prep] the last	148
4	have [verb] over the last	132
5	have [verb] [prep] the last	105
6	had [verb] [prep] the last	88
7	've [verb] [prep] the last	41
8	have [verb] for the last	38
9	have changed [prep] the last	34
10	have change [prep] the last	34
11	have [verb] during the last	28
12	have happen [prep] the last	27
13	have happened [prep] the last	27
14	have [verb] at the last	19
15	have doubled [prep] the last	17
16	have double [prep] the last	17
17	have emerge [prep] the last	15
18	have emerged [prep] the last	15
19	have [to-vb] [prep] the last	15
20	have occurred [prep] the last	14
21	have seen [prep] the last	14
22	have occur [prep] the last	14
23	have see [prep] the last	14
24	have do [prep] the last	14
25	have done [prep] the last	14
26	to have [verb] [prep] the last	13
27	have [verb] [prep] the last	12
28	have increase [prep] the last	11
29	have increased [prep] the last	11
30	's [verb] [prep] the last	11