SN4 ""

No	Pattern	Freq
1	[noun] of days	910
2	[noun sg] of days	889
3	couple of days	635
4	couple of days	635
5	number of days	132
6	number of days	132
7	matter of days	52
8	matter of days	52
9	[noun pl] of days	16
10	[adj] of days	12
11	book of days	11
12	book of days	10
13	period of days	7
14	period of days	7
15	[adj -est] of days	6
16	of [adj] days	750
17	of [num] days	356
18	of [det] days	265
19	of these days	136
20	of these days	136
21	of [pron] days	117
22	of [pos pn] days	115
23	of [adj] days	105
24	of those days	81
25	of those days	81
26	of the days	71
27	of [art] days	71
28	of [art] days	71
29	of the days	71
30	of [noun] days	53