SN4 ""

No	Pattern	Freq
1	[noun] is that [det] [noun]	512
2	[noun sg] is that [det] [noun]	458
3	[verb] is that [det] [noun]	79
4	[adj] is that [det] [noun]	68
5	[noun pl] is that [det] [noun]	41
6	problem is that [det] [noun]	37
7	problem is that [det] [noun]	35
8	[adv] is that [det] [noun]	34
9	[det] is that [det] [noun]	33
10	[pron] is that [det] [noun]	30
11	[adv] is that [det] [noun]	28
12	this is that [det] [noun]	26
13	this is that [det] [noun]	26
14	point is that [det] [noun]	25
15	point is that [det] [noun]	25
16	fact is that [det] [noun]	24
17	fact is that [det] [noun]	24
18	[vb pp] is that [det] [noun]	21
19	[adj] is that [det] [noun]	20
20	[pers pn] is that [det] [noun]	20
21	[to-vb] is that [det] [noun]	17
22	thing is that [det] [noun]	16
23	here is that [det] [noun]	15
24	here is that [det] [noun]	15
25	thing is that [det] [noun]	15
26	it is that [det] [noun]	15
27	it is that [det] [noun]	15
28	result is that [det] [noun]	13
29	[vb infin] is that [det] [noun]	13
30	result is that [det] [noun]	13