SN4 ""

No	Pattern	Freq
1	[adj] [noun] is that the	895
2	[adj] [noun sg] is that the	829
3	[adj] [noun pl] is that the	60
4	[adj] point is that the	58
5	[adj] point is that the	57
6	main [noun] is that the	49
7	only [noun] is that the	48
8	important [noun] is that the	39
9	[adj] problem is that the	39
10	[adj] problem is that the	38
11	general [noun] is that the	35
12	[adj] thing is that the	35
13	[adj] thing is that the	35
14	[adj] explanation is that the	27
15	[adj] explanation is that the	27
16	[adj] reason is that the	21
17	[adj] news is that the	21
18	[adj] view is that the	21
19	[adj] difference is that the	21
20	[adj] view is that the	21
21	[adj] news is that the	21
22	[adj] difference is that the	21
23	major [noun] is that the	20
24	[adj] reason is that the	19
25	other [noun] is that the	19
26	basic [noun] is that the	18
27	alternative [noun] is that the	17
28	[adj] fact is that the	17
29	[adj] feature is that the	17
30	[adj] feature is that the	17