SN4 ""

No	Pattern	Freq
1	[art] [noun sg] is that	4156
2	the [noun] is that	4151
3	[art] problem is that	326
4	[art] problem is that	309
5	[art] fact is that	277
6	[art] fact is that	277
7	[art] result is that	232
8	[art] result is that	228
9	[art] point is that	202
10	[art] point is that	202
11	a [noun] is that	174
12	[art] truth is that	173
13	[art] truth is that	173
14	[art] [noun pl] is that	169
15	[art] answer is that	160
16	[art] answer is that	160
17	[art] trouble is that	134
18	[art] trouble is that	134
19	[art] reason is that	127
20	[art] reason is that	126
21	[art] idea is that	119
22	[art] idea is that	119
23	[art] implication is that	88
24	[art] implication is that	88
25	[art] reality is that	75
26	[art] reality is that	75
27	[art] difference is that	72
28	[art] difference is that	72
29	[art] thing is that	67
30	[art] thing is that	66