SN4 ""

No	Pattern	Freq
1	[pers pn] is [adv] that [det] [noun pl]	9
2	it is [adv] that [det] [noun pl]	9
3	it is [adv] that [det] [noun pl]	9
4	[pron] is [adv] that [det] [noun pl]	9
5	[noun] is [adv] that [det] [noun pl]	7
6	[noun sg] is [adv] that [det] [noun pl]	5
7	is [adj] [adv] that [det] [noun pl]	5
8	is [adj] [adv] that [det] [noun pl]	5
9	is [verb] [adv] that [det] [noun pl]	5
10	is [adv] [adj] that [det] [noun pl]	111
11	is [adv] [adj] that [det] [noun pl]	111
12	is [adv] [verb] that [det] [noun pl]	57
13	is [adv] [vb pp] that [det] [noun pl]	37
14	is [adv] surprising that [det] [noun pl]	23
15	is [adv] surprising that [det] [noun pl]	23
16	is [adv] [to-vb] that [det] [noun pl]	17
17	is [adv] say that [det] [noun pl]	14
18	is [adv] to say that [det] [noun pl]	13
19	is [adv] true that [det] [noun pl]	12
20	is [adv] true that [det] [noun pl]	12
21	is [adv] possible that [det] [noun pl]	9
22	is [adv] clear that [det] [noun pl]	9
23	is [adv] possible that [det] [noun pl]	9
24	is [adv] clear that [det] [noun pl]	9
25	is [adv] assume that [det] [noun pl]	8
26	is [adv] know that [det] [noun pl]	8
27	is [adv] known that [det] [noun pl]	8
28	is [adv] important that [det] [noun pl]	8
29	is [adv] important that [det] [noun pl]	8
30	is [adv] likely that [det] [noun pl]	8