SN4 ""

No	Pattern	Freq
1	[noun] [conj] is that	20
2	[noun sg] [conj] is that	18
3	[verb] [conj] is that	5
4	[conj] [noun] is that	127
5	[conj] [adj] is that	91
6	[conj] [det] is that	76
7	[conj] [noun sg] is that	71
8	[conj] that is that	70
9	[conj] that is that	70
10	[conj] [pron] is that	40
11	[conj] [noun pl] is that	36
12	[conj] [pers pn] is that	30
13	[conj] it is that	21
14	[conj] it is that	21
15	[conj] [verb] is that	17
16	[conj] [noun prp] is that	16
17	[conj] [adv] is that	14
18	[conj] [adv] is that	12
19	[conj] [adj] is that	9
20	[conj] matter is that	8
21	[conj] matters is that	8
22	[conj] [vb -s] is that	8
23	[conj] well is that	6
24	[conj] well is that	6
25	[conj] is [adj] that	67
26	[conj] is [adj] that	61
27	[conj] is [pron] that	36
28	[conj] is [pers pn] that	28
29	[conj] is it that	28
30	[conj] is it that	28