SN4 ""

No	Pattern	Freq
1	[adj] source of [noun sg] for	177
2	[adj] source of [noun sg] for	177
3	important source of [noun sg] for	26
4	[adj] source of income for	22
5	major source of [noun sg] for	20
6	[adj] source of information for	13
7	main source of [noun sg] for	10
8	[adj] source of food for	9
9	valuable source of [noun sg] for	8
10	[adj] source of support for	7
11	useful source of [noun sg] for	7
12	[adj] source of energy for	7
13	[adj] source of funding for	6
14	good source of [noun sg] for	6
15	additional source of [noun sg] for	5
16	[adj] source of reference for	5
17	principal source of [noun sg] for	5
18	new source of [noun sg] for	5
19	[adj] source of revenue for	5
20	[adj] source of inspiration for	5