SN4 ""

No	Pattern	Freq
1	[adj] is that	756
2	clear is [that]	91
3	certain is [that]	81
4	important is [that]	69
5	interesting is [that]	33
6	common is [that]	30
7	surprising is [that]	17
8	remarkable is [that]	17
9	true is [that]	16
10	obvious is [that]	16
11	likely is [that]	13
12	apparent is [that]	11
13	essential is [that]	10
14	worrying is [that]	10
15	new is [that]	10
16	necessary is [that]	9
17	extraordinary is [that]	7
18	significant is [that]	7
19	wrong is [that]	7
20	different is [that]	6
21	sure is [that]	6
22	concerned is [that]	6
23	disturbing is [that]	5
24	particular is [that]	5
25	relevant is [that]	5
26	evident is [that]	5