SN4 ""

No	Pattern	Freq
1	[noun sg] for the past [adj]	235
2	[noun sg] for the past [num]	210
3	[noun sg] for the past [noun]	56
4	[noun sg] for the past [noun sg]	53
5	[noun sg] for the past two	29
6	[noun sg] for the past two	29
7	[noun sg] for the past [det]	24
8	[noun sg] for the past few	23
9	[noun sg] for the past few	23
10	[noun sg] for the past three	22
11	[noun sg] for the past three	22
12	[noun sg] for the past year	20
13	[noun sg] for the past year	19
14	[noun sg] for the past four	18
15	[noun sg] for the past four	18
16	[noun sg] for the past five	14
17	[noun sg] for the past five	14
18	[noun sg] for the past 12	12
19	[noun sg] for the past ten	12
20	[noun sg] for the past 12	12
21	[noun sg] for the past ten	12
22	[noun sg] for the past six	11
23	[noun sg] for the past six	11
24	[noun sg] for the past 15	7
25	[noun sg] for the past seven	7
26	[noun sg] for the past decade	7
27	[noun sg] for the past seven	7
28	[noun sg] for the past decade	7
29	[noun sg] for the past 15	7
30	[noun sg] for the past 18	6