SN4 ""

No	Pattern	Freq
1	[noun] is that in	253
2	[noun sg] is that in	232
3	[verb] is that in	33
4	[adj] is that in	28
5	[pron] is that in	16
6	difference is that in	16
7	difference is that in	16
8	[noun pl] is that in	16
9	[adj] is that in	15
10	[adv] is that in	14
11	[vb pp] is that in	14
12	[adv] is that in	12
13	[pers pn] is that in	12
14	point is that in	10
15	point is that in	10
16	fact is that in	9
17	result is that in	9
18	result is that in	9
19	fact is that in	9
20	[det] is that in	8
21	it is that in	8
22	problem is that in	8
23	[to-vb] is that in	8
24	problem is that in	8
25	it is that in	8
26	answer is that in	7
27	this is that in	7
28	answer is that in	7
29	this is that in	7
30	truth is that in	6