SN4 ""

No	Pattern	Freq
1	[noun] [modal v] have an effect	28
2	[noun sg] [modal v] have an effect	20
3	[pron] [modal v] have an effect	15
4	[pers pn] [modal v] have an effect	10
5	[det] [modal v] have an effect	9
6	[adj] [modal v] have an effect	9
7	it [modal v] have an effect	7
8	it [modal v] have an effect	7
9	this [modal v] have an effect	7
10	this [modal v] have an effect	7
11	[noun pl] [modal v] have an effect	6
12	which [modal v] have an effect	5
13	which [modal v] have an effect	5
14	[Wh det] [modal v] have an effect	5
15	[modal v] [adv] have an effect	17
16	[modal v] [adv] have an effect	15
17	[modal v] also have an effect	7
18	[modal v] also have an effect	7
19	[modal v] have had an effect	8
20	[modal v] have [vb pp] an effect	8
21	[modal v] have [verb] an effect	8
22	[modal v] have have an effect	8
23	[modal v] have an [adj] effect	54
24	[modal v] have an [adj] effect	54
25	[modal v] have an adverse effect	22
26	[modal v] have an adverse effect	22
27	[modal v] have an important effect	8
28	[modal v] have an important effect	8
29	[modal v] have an effect [prep]	46
30	[modal v] have an effect [prep]	46