SN4 ""

No	Pattern	Freq
1	[prep] an [noun sg] [to-vb] the [noun]	661
2	[prep] an [noun sg] [verb] the [noun sg]	608
3	in an [noun sg] [verb] the [noun]	456
4	[prep] an attempt [verb] the [noun]	349
5	[prep] an effort [verb] the [noun]	155
6	[prep] an [noun sg] [verb] the [noun pl]	127
7	as an [noun sg] [verb] the [noun]	96
8	[prep] an [noun sg] [v-ing] the [noun]	74
9	of an [noun sg] [verb] the [noun]	61
10	for an [noun sg] [verb] the [noun]	48
11	[prep] an [noun sg] [verb] the [noun prp]	37
12	[prep] an [noun sg] to reduce the [noun]	25
13	[prep] an [noun sg] reduce the [noun]	25
14	with an [noun sg] [verb] the [noun]	23
15	[prep] an opportunity [verb] the [noun]	19
16	[prep] an [noun sg] [vb base] the [noun]	17
17	[prep] an obligation [verb] the [noun]	15
18	[prep] an [noun sg] improve the [noun]	15
19	[prep] an [noun sg] to improve the [noun]	15
20	by an [noun sg] [verb] the [noun]	15
21	[prep] an [noun sg] [vb -s] the [noun]	15
22	[prep] an [noun sg] [verb] the problem	14
23	[prep] an [noun sg] increase the [noun]	14
24	to an [noun sg] [verb] the [noun]	14
25	[prep] an [noun sg] resolve the [noun]	14
26	[prep] an [noun sg] to resolve the [noun]	13
27	on an [noun sg] [verb] the [noun]	12
28	under an [noun sg] [verb] the [noun]	12
29	[prep] an [noun sg] make the [noun]	11
30	[prep] an [noun sg] [verb] the problem	11