SN4 ""

No	Pattern	Freq
1	effort [to-vb] [noun sg]	176
2	effort [to-vb] [noun pl]	102
3	effort [to-vb] [noun prp]	69
4	effort to make [noun]	20
5	effort to raise [noun]	14
6	effort to reduce [noun]	11
7	effort [to-vb] [n mass]	11
8	effort to cut [noun]	10
9	effort to get [noun]	9
10	effort to bring [noun]	9
11	effort to improve [noun]	9
12	effort to keep [noun]	8
13	effort to combat [noun]	8
14	effort [to-vb] thing	7
15	effort [to-vb] things	7
16	effort to prevent [noun]	7
17	effort to persuade [noun]	6
18	effort [to-vb] peace	6
19	effort [to-vb] peace	6
20	effort to stop [noun]	6
21	effort [to-vb] people	6
22	effort [to-vb] people	6
23	effort to save [noun]	5
24	effort to put [noun]	5
25	effort to boost [noun]	5