SN4 ""

No	Pattern	Freq
1	[noun] to the problem [prep]	320
2	[noun sg] to the problem [prep]	268
3	solution to the problem [prep]	137
4	solution to the problem [prep]	109
5	[verb] to the problem [prep]	83
6	[noun pl] to the problem [prep]	51
7	approach to the problem [prep]	39
8	approach to the problem [prep]	35
9	answer to the problem [prep]	34
10	answer to the problem [prep]	30
11	solutions to the problem [prep]	28
12	[adj] to the problem [prep]	27
13	[adj] to the problem [prep]	26
14	[vb pp] to the problem [prep]	25
15	[adv] to the problem [prep]	22
16	response to the problem [prep]	20
17	response to the problem [prep]	17
18	attention to the problem [prep]	16
19	attention to the problem [prep]	16
20	[adv] to the problem [prep]	15
21	[to-vb] to the problem [prep]	12
22	[vb base] to the problem [prep]	11
23	return to the problem [prep]	11
24	[vb infin] to the problem [prep]	11
25	[vb -s] to the problem [prep]	10
26	add to the problem [prep]	10
27	[v-ing] to the problem [prep]	9
28	relate to the problem [prep]	8
29	[pron] to the problem [prep]	8
30	refer to the problem [prep]	7