SN4 ""

No	Pattern	Freq
1	[adj] [noun sg] is that [det] [noun]	135
2	[adj] [noun sg] is that [det] [noun pl]	104
3	[adj] [noun sg] is that [det] [noun sg]	85
4	[adj] [noun sg] is that this [noun]	35
5	[det] [noun sg] is that [det] [noun]	29
6	[adj] [noun sg] is that these [noun]	23
7	[adj] [noun sg] is that some [noun]	21
8	[adj] [noun sg] is that all [noun]	20
9	[adj] [noun sg] is that many [noun]	20
10	[num ord] [noun sg] is that [det] [noun]	20
11	[adj] problem is that [det] [noun]	18
12	this [noun sg] is that [det] [noun]	17
13	this [noun sg] is that [det] [noun]	17
14	[adj] [noun sg] is that such [noun]	17
15	[adj] point is that [det] [noun]	15
16	[adj] thing is that [det] [noun]	14
17	[adj] [noun sg] is that each [noun]	14
18	second [noun sg] is that [det] [noun]	13
19	second [noun sg] is that [det] [noun]	13
20	[adj] [noun sg] is that [det] [n mass]	11
21	[adj] [noun sg] is that [det] people	11
22	[adj] [noun sg] is that [det] people	11
23	[adj] fact is that [det] [noun]	10
24	[adj] [noun sg] is that most [noun]	10
25	only [noun sg] is that [det] [noun]	9
26	only [noun sg] is that [det] [noun]	9
27	[num] [noun sg] is that [det] [noun]	8
28	general [noun sg] is that [det] [noun]	8
29	important [noun sg] is that [det] [noun]	8
30	[adj] [noun sg] is that those [noun]	8