SN4 ""

No	Pattern	Freq
1	have [vb pp] is	916
2	have [verb] is	695
3	have do is	590
4	have [to-vb] is	583
5	have to do is	436
6	has [verb] is	314
7	've [verb] is	269
8	have done is	154
9	have get is	135
10	have got is	132
11	's [verb] is	92
12	have happen is	79
13	have [verb] is	78
14	have happened is	74
15	have say is	74
16	have said is	46
17	have to say is	28
18	have see is	28
19	have seen is	26
20	to have [verb] is	26
21	have make is	19
22	had [verb] is	19
23	have have is	19
24	have learn is	18
25	have find is	17
26	have found is	16
27	have had is	15
28	have occurred is	14
29	have occur is	14
30	have write is	13