SN4 ""

No	Pattern	Freq
1	[art] reason for [det] [noun]	191
2	[art] reason for [det] [noun]	191
3	the reason for [det] [noun]	181
4	the reason for [det] [noun]	181
5	[adj] reason for [det] [noun]	167
6	[adj] reason for [det] [noun]	129
7	main reason for [det] [noun]	27
8	main reason for [det] [noun]	27
9	[num] reason for [det] [noun]	22
10	one reason for [det] [noun]	16
11	one reason for [det] [noun]	16
12	possible reason for [det] [noun]	13
13	[det] reason for [det] [noun]	13
14	possible reason for [det] [noun]	13
15	good reason for [det] [noun]	11
16	good reason for [det] [noun]	11
17	[pron] reason for [det] [noun]	8
18	[pos pn] reason for [det] [noun]	8
19	[verb] reason for [det] [noun]	7
20	several reason for [det] [noun]	6
21	[conj] reason for [det] [noun]	6
22	[prep] reason for [det] [noun]	6
23	a reason for [det] [noun]	6
24	a reason for [det] [noun]	6
25	several reason for [det] [noun]	6
26	[prep] reason for [det] [noun]	6
27	many reason for [det] [noun]	5
28	many reason for [det] [noun]	5
29	[vb base] reason for [det] [noun]	5
30	underlying reason for [det] [noun]	5