SN4 ""

No	Pattern	Freq
1	[noun] on [noun pl] 's	155
2	[noun sg] on [noun pl] 's	111
3	[verb] on [noun pl] 's	59
4	[noun pl] on [noun pl] 's	42
5	[vb pp] on [noun pl] 's	26
6	[adv] on [noun pl] 's	12
7	[adv] on [noun pl] 's	11
8	effect on [noun pl] 's	11
9	[vb base] on [noun pl] 's	10
10	effect on [noun pl] 's	8
11	[adj] on [noun pl] 's	8
12	[v-ing] on [noun pl] 's	7
13	focus on [noun pl] 's	7
14	impact on [noun pl] 's	7
15	impact on [noun pl] 's	7
16	[adj] on [noun pl] 's	7
17	concentrate on [noun pl] 's	6
18	chapter on [noun pl] 's	6
19	[vb infin] on [noun pl] 's	6
20	chapter on [noun pl] 's	6
21	place on [noun pl] 's	5
22	[vb -s] on [noun pl] 's	5
23	article on [noun pl] 's	5
24	on [art] [noun pl] 's	71
25	on [art] [noun pl] 's	71
26	on the [noun pl] 's	68
27	on the [noun pl] 's	68
28	on [adj] [noun pl] 's	35
29	on [adj] [noun pl] 's	33
30	on [pron] [noun pl] 's	11