SN4 ""

No	Pattern	Freq
1	[noun] has have [adj] effect	18
2	[noun sg] has have [adj] effect	15
3	[pron] has have [adj] effect	6
4	[adj] has have [adj] effect	5
5	has [adv] have [adj] effect	7
6	has [adv] have [adj] effect	5
7	has have [art] [adj] effect	69
8	has have [art] [adj] effect	69
9	has have a [adj] effect	64
10	has have a [adj] effect	56
11	has have [adj] [adj] effect	10
12	has have an [adj] effect	8
13	has have one [adj] effect	5
14	has have one [adj] effect	5
15	has have [num] [adj] effect	5
16	has have [adj] [adj] effect	10
17	has have [adj] [adj] effect	10
18	has have [adj] effect [prep]	19
19	has have [adj] effect [prep]	19
20	has have [adj] effect on	10
21	has have [adj] effect on	10
22	has have [adj] effect in	7
23	has have [adj] effect in	7