SN4 ""

No	Pattern	Freq
1	have [adv] to be	760
2	have [adv] to be	754
3	have yet to be	464
4	have yet to be	464
5	has [adv] to be	352
6	have [adv] to be	218
7	had [adv] to be	182
8	have still to be	109
9	have still to be	109
10	have also to be	30
11	have also to be	30
12	have now to be	16
13	have therefore to be	16
14	have now to be	16
15	have therefore to be	16
16	have only to be	16
17	have only to be	16
18	have always to be	13
19	have then to be	13
20	have then to be	13
21	have always to be	13
22	have somehow to be	7
23	have somehow to be	7
24	have not to be	6
25	have often to be	6
26	have often to be	6
27	have [not/n't] to be	6
28	have continually to be	5
29	have constantly to be	5
30	have continually to be	5