SN4 ""

No	Pattern	Freq
1	[adj] [noun sg] is that [det] [noun sg]	55
2	[adj] [noun sg] is that this [noun sg]	35
3	[det] [noun sg] is that [det] [noun sg]	14
4	[adj] [noun sg] is that each [noun sg]	14
5	this [noun sg] is that [det] [noun sg]	9
6	this [noun sg] is that [det] [noun sg]	9
7	[adj] [noun sg] is that any [noun sg]	8
8	[adj] problem is that [det] [noun sg]	8
9	[num ord] [noun sg] is that [det] [noun sg]	8
10	[adj] thing is that [det] [noun sg]	7
11	[adj] [noun sg] is that some [noun sg]	6
12	[adj] point is that [det] [noun sg]	6
13	second [noun sg] is that [det] [noun sg]	5
14	general [noun sg] is that [det] [noun sg]	5
15	second [noun sg] is that [det] [noun sg]	5
16	general [noun sg] is that [det] [noun sg]	5
17	[num] [noun sg] is that [det] [noun sg]	5