SN4 ""

No	Pattern	Freq
1	[pron] is [adv] that [noun]	71
2	[pers pn] is [adv] that [noun]	71
3	it is [adv] that [noun]	69
4	it is [adv] that [noun]	69
5	[noun] is [adv] that [noun]	48
6	[noun sg] is [adv] that [noun]	43
7	problem is [adv] that [noun]	5
8	problem is [adv] that [noun]	5
9	is [adv] [adv] that [noun]	33
10	is [verb] [adv] that [noun]	27
11	is [vb pp] [adv] that [noun]	26
12	is not [adv] that [noun]	22
13	is [not/n't] [adv] that [noun]	22
14	is not [adv] that [noun]	21
15	is [adj] [adv] that [noun]	16
16	is [adj] [adv] that [noun]	14
17	is [adv] [adv] that [noun]	11
18	is only [adv] that [noun]	9
19	is only [adv] that [noun]	9
20	is [noun] [adv] that [noun]	7
21	is [noun sg] [adv] that [noun]	5
22	is [adv] [adj] that [noun]	634
23	is [adv] [adj] that [noun]	628
24	is [adv] [verb] that [noun]	355
25	is [adv] [vb pp] that [noun]	219
26	is [adv] surprising that [noun]	128
27	is [adv] surprising that [noun]	128
28	is [adv] [to-vb] that [noun]	110
29	is [adv] say that [noun]	106
30	is [adv] to say that [noun]	76