SN4 ""

No	Pattern	Freq
1	[noun sg] is that	12348
2	[noun pl] is that	1508
3	problem is that	614
4	problem is that	581
5	point is that	508
6	point is that	500
7	[noun prp] is that	405
8	thing is that	395
9	fact is that	385
10	fact is that	384
11	thing is that	383
12	view is that	338
13	view is that	336
14	result is that	308
15	result is that	301
16	reason is that	265
17	reason is that	260
18	answer is that	240
19	answer is that	238
20	truth is that	219
21	truth is that	219
22	argument is that	211
23	argument is that	204
24	difference is that	186
25	difference is that	186
26	idea is that	170
27	idea is that	168
28	trouble is that	155
29	trouble is that	155
30	theory is that	140