SN4 ""

No	Pattern	Freq
1	it is not [adj] that	643
2	it is not [adj] that	635
3	it is not surprising that	367
4	it is not surprising that	367
5	it is not clear that	65
6	it is not clear that	65
7	it is not true that	29
8	it is not true that	29
9	it is not impossible that	23
10	it is not impossible that	23
11	it is not likely that	17
12	it is not likely that	17
13	it is not certain that	15
14	it is not certain that	15
15	it is not unlikely that	14
16	it is not unlikely that	14
17	it is not obvious that	13
18	it is not obvious that	13
19	it is not inconceivable that	12
20	it is not inconceivable that	12
21	it is n't [adj] that	10
22	it is not sufficient that	10
23	it is not sufficient that	10
24	it is not necessary that	7
25	it is not necessary that	7
26	it is not self-evident that	5
27	it is not self-evident that	5