SN4 ""

No	Pattern	Freq
1	[adj] reason for [adj] [noun sg]	147
2	[adj] reason for [det] [noun]	129
3	[adj] reason for [adj] [noun]	114
4	[adj] reason for this [noun]	91
5	[adj] reason for this [noun]	91
6	[adj] reasons for [adj] [noun]	80
7	[adj] reason for [adj] [noun]	61
8	[adj] reason for [adj] [noun pl]	45
9	main reason for [adj] [noun]	40
10	good reason for [adj] [noun]	15
11	[adj] reason for these [noun]	13
12	possible reason for [adj] [noun]	13
13	[adj] reason for these [noun]	13
14	[adj] reason for [adj] change	11
15	[adj] reason for such [noun]	10
16	[adj] reason for such [noun]	10
17	major reason for [adj] [noun]	8
18	only reason for [adj] [noun]	6
19	[adj] reason for that [noun]	6
20	common reason for [adj] [noun]	6
21	[adj] reason for that [noun]	6
22	[adj] reason for [adj] change	6
23	underlying reason for [adj] [noun]	6
24	[adj] reason for [adj] difference	5
25	basic reason for [adj] [noun]	5
26	[adj] reason for [adj] changes	5