SN4 ""

No	Pattern	Freq
1	[noun] is that [conj] [art]	190
2	[noun sg] is that [conj] [art]	171
3	[adj] is that [conj] [art]	30
4	[verb] is that [conj] [art]	23
5	problem is that [conj] [art]	21
6	problem is that [conj] [art]	20
7	[det] is that [conj] [art]	18
8	[noun pl] is that [conj] [art]	13
9	this is that [conj] [art]	12
10	point is that [conj] [art]	12
11	this is that [conj] [art]	12
12	point is that [conj] [art]	12
13	[adv] is that [conj] [art]	9
14	[adv] is that [conj] [art]	9
15	view is that [conj] [art]	8
16	[pron] is that [conj] [art]	8
17	view is that [conj] [art]	8
18	here is that [conj] [art]	8
19	here is that [conj] [art]	8
20	[num ord] is that [conj] [art]	7
21	[noun prp] is that [conj] [art]	6
22	[vb pp] is that [conj] [art]	6
23	thing is that [conj] [art]	5
24	that is that [conj] [art]	5
25	fact is that [conj] [art]	5
26	fact is that [conj] [art]	5
27	[to-vb] is that [conj] [art]	5
28	reason is that [conj] [art]	5
29	first is that [conj] [art]	5
30	[vb -s] is that [conj] [art]	5