SN4 ""

No	Pattern	Freq
1	to [v-ing] the [noun sg]	1341
2	to improving the [noun sg]	41
3	to improve the [noun sg]	41
4	to understand the [noun sg]	40
5	to understanding the [noun sg]	39
6	to make the [noun sg]	21
7	to making the [noun sg]	21
8	to use the [noun sg]	20
9	to reduce the [noun sg]	19
10	to using the [noun sg]	19
11	to see the [noun sg]	19
12	to reducing the [noun sg]	19
13	to maintain the [noun sg]	18
14	to maintaining the [noun sg]	18
15	to solve the [noun sg]	17
16	to solving the [noun sg]	17
17	to seeing the [noun sg]	17
18	to increasing the [noun sg]	16
19	to [verb] the environment	16
20	to [vb past] the [noun sg]	16
21	to increase the [noun sg]	16
22	to doing the [noun sg]	15
23	to do the [noun sg]	15
24	to [verb] the problem	15
25	to keep the [noun sg]	15
26	to keeping the [noun sg]	15
27	to assess the [noun sg]	14
28	to explain the [noun sg]	14
29	to explaining the [noun sg]	14
30	to assessing the [noun sg]	14