SN4 ""

No	Pattern	Freq
1	be the [noun sg] to the [noun]	224
2	[be] the [noun sg] to the [noun sg]	191
3	[is] the [noun sg] to the [noun]	109
4	is the [noun sg] to the [noun]	93
5	[was/were] the [noun sg] to the [noun]	72
6	was the [noun sg] to the [noun]	65
7	[be] the key to the [noun]	56
8	be the [noun sg] to the [noun]	24
9	[be] the [noun sg] to the [noun]	24
10	[be] the [noun sg] to the [noun pl]	17
11	's the [noun sg] to the [noun]	16
12	[be] the [noun sg] to the [noun prp]	14
13	[be] the answer to the [noun]	12
14	[am/are] the [noun sg] to the [noun]	12
15	are the [noun sg] to the [noun]	11
16	[be] the [noun sg] to the problem	10
17	[be] the [noun sg] to the problem	10
18	[be] the entrance to the [noun]	9
19	[be] the background to the [noun]	8
20	[be] the gateway to the [noun]	7
21	[be] the exception to the [noun]	7
22	were the [noun sg] to the [noun]	7
23	[be] the [noun sg] to the rule	6
24	[be] the [noun sg] to the rule	6
25	[be] the successor to the [noun]	6
26	[be] the [noun sg] to the success	5
27	[be] the cost to the [noun]	5