SN4 ""

No	Pattern	Freq
1	reason for the [noun] [prep]	377
2	reason for the [noun sg] [prep]	365
3	reason for the [noun] of	261
4	reason for the [noun] of	261
5	reason for the [noun] [prep]	238
6	reasons for the [noun] [prep]	139
7	reason for the [noun] in	68
8	reason for the [noun] in	68
9	reason for the decline [prep]	16
10	reason for the failure [prep]	15
11	reason for the decline [prep]	15
12	reason for the failure [prep]	14
13	reason for the increase [prep]	14
14	reason for the increase [prep]	14
15	reason for the [noun] on	12
16	reason for the [noun] on	12
17	reason for the [noun pl] [prep]	12
18	reason for the [noun] between	11
19	reason for the [noun] between	11
20	reason for the existence [prep]	11
21	reason for the lack [prep]	11
22	reason for the existence [prep]	11
23	reason for the lack [prep]	11
24	reason for the [noun] to	10
25	reason for the [noun] to	10
26	reason for the growth [prep]	9
27	reason for the popularity [prep]	9
28	reason for the popularity [prep]	9
29	reason for the growth [prep]	9
30	reason for the choice [prep]	8