SN4 ""

No	Pattern	Freq
1	[conj] it is [to-vb] that	10
2	[subord] it is [to-vb] that	5
3	but it is [to-vb] that	5
4	but it is [to-vb] that	5
5	[coord] it is [to-vb] that	5
6	it is [adj] [to-vb] that	1796
7	it is [adj] [to-vb] that	1771
8	it is important [to-vb] that	482
9	it is important [to-vb] that	482
10	it is interesting [to-vb] that	183
11	it is interesting [to-vb] that	183
12	it is easy [to-vb] that	104
13	it is easy [to-vb] that	102
14	it is reasonable [to-vb] that	99
15	it is reasonable [to-vb] that	99
16	it is difficult [to-vb] that	97
17	it is difficult [to-vb] that	97
18	it is fair [to-vb] that	88
19	it is fair [to-vb] that	88
20	it is hard [to-vb] that	78
21	it is hard [to-vb] that	78
22	it is possible [to-vb] that	73
23	it is possible [to-vb] that	73
24	it is necessary [to-vb] that	43
25	it is necessary [to-vb] that	43
26	it is true [to-vb] that	38
27	it is true [to-vb] that	38
28	it is tempting [to-vb] that	33
29	it is tempting [to-vb] that	33
30	it is sufficient [to-vb] that	33