SN4 ""

No	Pattern	Freq
1	[noun] is that [prep]	574
2	[noun sg] is that [prep]	511
3	[noun] is that in	253
4	[noun] is that for	60
5	[noun pl] is that [prep]	48
6	[noun] is that at	47
7	[noun] is that by	45
8	fact is that [prep]	22
9	point is that [prep]	22
10	difference is that [prep]	22
11	point is that [prep]	22
12	difference is that [prep]	22
13	fact is that [prep]	22
14	[noun] is that on	19
15	problem is that [prep]	18
16	problem is that [prep]	18
17	[noun] is that between	17
18	result is that [prep]	16
19	result is that [prep]	16
20	truth is that [prep]	15
21	truth is that [prep]	15
22	[noun] is that as	14
23	answer is that [prep]	13
24	answer is that [prep]	13
25	reason is that [prep]	12
26	argument is that [prep]	12
27	[noun] is that under	12
28	reason is that [prep]	12
29	argument is that [prep]	11
30	[noun] is that despite	11