SN4 ""

No	Pattern	Freq
1	it [be] [verb] [adv] that [conj]	10
2	it [be] [vb pp] [adv] that [conj]	10
3	it [be] pointed [adv] that [conj]	5
4	it [be] point [adv] that [conj]	5
5	it [be] [adv] [adj] that [conj]	109
6	it [be] [adv] [adj] that [conj]	108
7	it [be] [adv] [verb] that [conj]	65
8	it [be] [adv] [vb pp] that [conj]	63
9	it [be] [adv] clear that [conj]	18
10	it [be] [adv] clear that [conj]	18
11	it [be] [adv] true that [conj]	14
12	it [be] [adv] true that [conj]	14
13	it [be] [adv] surprising that [conj]	12
14	it [be] [adv] surprising that [conj]	12
15	it [be] [adv] important that [conj]	10
16	it [be] [adv] important that [conj]	10
17	it [be] [adv] assume that [conj]	7
18	it [be] [adv] assumed that [conj]	7
19	it [be] [adv] possible that [conj]	6
20	it [be] [adv] possible that [conj]	6
21	it [be] [adv] know that [conj]	6
22	it [be] [adv] say that [conj]	6
23	it [be] [adv] likely that [conj]	6
24	it [be] [adv] likely that [conj]	6
25	it [be] [adv] believed that [conj]	6
26	it [be] [adv] believe that [conj]	6
27	it [be] [adv] known that [conj]	6
28	it [be] [adv] said that [conj]	6
29	it [be] [adv] argued that [conj]	5
30	it [be] [adv] argue that [conj]	5