SN4 ""

No	Pattern	Freq
1	have [vb pp] about that	53
2	have [to-vb] about that	39
3	have [verb] about that	33
4	have think about that	18
5	've [verb] about that	17
6	'd [verb] about that	16
7	have forget about that	12
8	had [verb] about that	12
9	have say about that	11
10	have forgotten about that	11
11	have to think about that	10
12	have to say about that	9
13	have known about that	9
14	have know about that	9
15	have worry about that	8
16	have thought about that	8
17	have heard about that	7
18	have to worry about that	7
19	have [verb] about that	7
20	have hear about that	7