SN4 ""

No	Pattern	Freq
1	but it [be] [adj] to be	76
2	but it [be] [adj] to be	69
3	but it [be] [verb] to be	49
4	but it [be] [adv] to be	48
5	but it [be] [not/n't] to be	39
6	but it [be] not to be	39
7	but it [be] not to be	28
8	but it [be] [vb pp] to be	25
9	but it [be] [v-ing] to be	24
10	but it [be] go to be	23
11	but it [be] going to be	23
12	but it [be] good to be	14
13	but it [be] n't to be	11
14	but it [be] believed to be	10
15	but it [be] believe to be	10
16	but it [be] important to be	9
17	but it [be] likely to be	9
18	but it [be] likely to be	9
19	but it [be] important to be	9
20	but it [be] [adv] to be	8
21	but it [be] good to be	8
22	but it [be] unlikely to be	7
23	but it [be] unlikely to be	7
24	but it [be] nice to be	6
25	but it [be] nice to be	6
26	but it [be] difficult to be	6
27	but it [be] difficult to be	6
28	but it [be] [adj -er] to be	6
29	but it [be] supposed to be	5
30	but it [be] supposed to be	5