SN4 ""

No	Pattern	Freq
1	but it be [adj]	3643
2	but it be [adj]	2936
3	but it is [adj]	1585
4	but it was [adj]	1051
5	but it 's [adj]	1001
6	but it be [det]	387
7	but it be important	192
8	but it be important	192
9	but it be difficult	169
10	but it be difficult	169
11	but it be all	166
12	but it be all	166
13	but it be good	164
14	but it be [adj -er]	159
15	but it be clear	149
16	but it be clear	149
17	but it be possible	142
18	but it be possible	142
19	but it be [num]	133
20	but it be hard	132
21	but it be hard	129
22	but it be true	99
23	but it be true	99
24	but it be unlikely	86
25	but it be unlikely	86
26	but it be impossible	80
27	but it be impossible	80
28	but it be one	73
29	but it be good	73
30	but it be one	73