SN4 ""

No	Pattern	Freq
1	but [modal v] have	223
2	but [vb mod] have	223
3	but [modal v] have	221
4	but would have	65
5	but would have	65
6	but will have	39
7	but will have	39
8	but may have	36
9	but may have	36
10	but must have	24
11	but must have	24
12	but could have	17
13	but could have	17
14	but should have	13
15	but might have	13
16	but might have	13
17	but should have	13
18	but let's have	9
19	but let's have	9
20	but can have	6
21	but can have	6