SN4 ""

No	Pattern	Freq
1	have [been] [verb] [prep] the last	168
2	have been [verb] [prep] the last	168
3	have [been] [vb pp] [prep] the last	114
4	have [been] [verb] [prep] the last	55
5	have [been] [v-ing] [prep] the last	54
6	have [been] [verb] in the last	52
7	has [been] [verb] [prep] the last	46
8	have [been] [verb] for the last	40
9	have [been] [verb] over the last	38
10	had [been] [verb] [prep] the last	27
11	've [been] [verb] [prep] the last	17
12	have [been] do [prep] the last	12
13	have [been] [verb] during the last	12
14	's [been] [verb] [prep] the last	10
15	have [been] doing [prep] the last	10
16	have [been] develop [prep] the last	8
17	have [been] make [prep] the last	7
18	have [been] developed [prep] the last	7
19	have [been] made [prep] the last	7
20	have [been] [verb] [prep] the last	6
21	have [been] [verb] at the last	5