SN4 ""

No	Pattern	Freq
1	it be not [adj] that	778
2	it is not [adj] that	635
3	it be not surprising that	441
4	it be not surprising that	441
5	it was not [adj] that	83
6	it be not clear that	76
7	it be not clear that	76
8	it 's not [adj] that	59
9	it be not true that	37
10	it be not true that	37
11	it be not impossible that	26
12	it be not impossible that	26
13	it be not likely that	24
14	it be not likely that	24
15	it be not certain that	17
16	it be not certain that	17
17	it be not unlikely that	15
18	it be not unlikely that	15
19	it be not inconceivable that	13
20	it be not inconceivable that	13
21	it be not obvious that	13
22	it be not obvious that	13
23	it be not sufficient that	12
24	it be not sufficient that	12
25	it be not necessary that	8
26	it be not necessary that	8
27	it be not self-evident that	7
28	it be not self-evident that	7
29	it be not fair that	5
30	it be not essential that	5