SN4 ""

No	Pattern	Freq
1	[noun] contributing to	139
2	[noun pl] contributing to	83
3	[prep] contributing to	82
4	be contributing to	82
5	[prep] contributing to	82
6	[be] contributing to	82
7	[conj] contributing to	70
8	[adv] contributing to	62
9	factor contributing to	57
10	[noun sg] contributing to	54
11	[adv] contributing to	51
12	[subord] contributing to	43
13	as contributing to	39
14	as contributing to	39
15	factors contributing to	36
16	[coord] contributing to	26
17	[be] contributing to	25
18	be contributing to	25
19	of contributing to	23
20	of contributing to	23
21	is contributing to	22
22	[is] contributing to	22
23	and contributing to	21
24	factor contributing to	21
25	and contributing to	21
26	[am/are] contributing to	19
27	in contributing to	16
28	in contributing to	16
29	are contributing to	15
30	[was/were] contributing to	15