SN4 ""

No	Pattern	Freq
1	[noun] is that [det] [adj] [noun]	108
2	[noun sg] is that [det] [adj] [noun]	100
3	[verb] is that [det] [adj] [noun]	14
4	[adj] is that [det] [adj] [noun]	12
5	[adv] is that [det] [adj] [noun]	9
6	problem is that [det] [adj] [noun]	8
7	problem is that [det] [adj] [noun]	8
8	[adv] is that [det] [adj] [noun]	8
9	[pron] is that [det] [adj] [noun]	8
10	reason is that [det] [adj] [noun]	7
11	reason is that [det] [adj] [noun]	7
12	[noun pl] is that [det] [adj] [noun]	7
13	[adj] is that [det] [adj] [noun]	7
14	[pers pn] is that [det] [adj] [noun]	6
15	[vb -s] is that [det] [adj] [noun]	6
16	truth is that [det] [adj] [noun]	5
17	here is that [det] [adj] [noun]	5
18	it is that [det] [adj] [noun]	5
19	truth is that [det] [adj] [noun]	5
20	view is that [det] [adj] [noun]	5
21	it is that [det] [adj] [noun]	5
22	here is that [det] [adj] [noun]	5
23	is [adj] that [det] [adj] [noun]	97
24	is [adj] that [det] [adj] [noun]	93
25	is [verb] that [det] [adj] [noun]	61
26	is [vb pp] that [det] [adj] [noun]	41
27	is [to-vb] that [det] [adj] [noun]	15
28	is clear that [det] [adj] [noun]	15
29	is clear that [det] [adj] [noun]	15
30	is unlikely that [det] [adj] [noun]	11