SN4 ""

No	Pattern	Freq
1	[pron] is [adv] [that]	366
2	[pers pn] is [adv] [that]	361
3	it is [adv] [that]	352
4	it is [adv] [that]	351
5	[noun] is [adv] [that]	243
6	[noun sg] is [adv] [that]	214
7	[adj] is [adv] [that]	29
8	[det] is [adv] [that]	22
9	point is [adv] [that]	20
10	point is [adv] [that]	20
11	this is [adv] [that]	19
12	this is [adv] [that]	19
13	[noun pl] is [adv] [that]	17
14	[verb] is [adv] [that]	15
15	[adv] is [adv] [that]	11
16	[adv] is [adv] [that]	11
17	[noun prp] is [adv] [that]	10
18	problem is [adv] [that]	10
19	problem is [adv] [that]	10
20	reason is [adv] [that]	9
21	answer is [adv] [that]	9
22	answer is [adv] [that]	9
23	reason is [adv] [that]	9
24	evidence is [adv] [that]	7
25	he is [adv] [that]	7
26	evidence is [adv] [that]	7
27	he is [adv] [that]	7
28	difference is [adv] [that]	6
29	difference is [adv] [that]	6
30	here is [adv] [that]	5