SN4 ""

No	Pattern	Freq
1	have [vb pp] a major [noun sg]	247
2	has [verb] a major [noun sg]	124
3	have [verb] a major [noun sg]	58
4	have played a major [noun sg]	51
5	have play a major [noun sg]	51
6	had [verb] a major [noun sg]	45
7	have become a major [noun sg]	40
8	have become a major [noun sg]	40
9	have had a major [noun sg]	32
10	have have a major [noun sg]	32
11	have make a major [noun sg]	30
12	have [verb] a major part	30
13	have made a major [noun sg]	29
14	have [verb] a major role	26
15	have [verb] a major contribution	14
16	have [verb] a major impact	14
17	have launch a major [noun sg]	12
18	have launched a major [noun sg]	12
19	have [verb] a major [noun sg]	10
20	have [verb] a major influence	9
21	have [verb] a major problem	7
22	to have [verb] a major [noun sg]	7
23	have undergo a major [noun sg]	6
24	have prove a major [noun sg]	6
25	have [to-vb] a major [noun sg]	6
26	have proved a major [noun sg]	6
27	have take a major [noun sg]	5
28	have suffered a major [noun sg]	5
29	have see a major [noun sg]	5
30	have undergone a major [noun sg]	5