SN4 ""

No	Pattern	Freq
1	[coord] it is [adj] [to-vb] that	177
2	[coord] it is [adj] [to-vb] that	177
3	[coord] it is [adj] [to-vb] that	173
4	but it is [adj] [to-vb] that	90
5	and it is [adj] [to-vb] that	87
6	[coord] it is important [to-vb] that	41
7	[coord] it is important [to-vb] that	41
8	[coord] it is [adj] to say that	21
9	[coord] it is [adj] to note that	21
10	[coord] it is [adj] to believe that	19
11	[coord] it is [adj] to assume that	15
12	[coord] it is reasonable [to-vb] that	14
13	[coord] it is reasonable [to-vb] that	14
14	[coord] it is hard [to-vb] that	13
15	[coord] it is [adj] to remember that	13
16	[coord] it is hard [to-vb] that	13
17	[coord] it is [adj] to see that	11
18	[coord] it is interesting [to-vb] that	9
19	[coord] it is easy [to-vb] that	9
20	[coord] it is interesting [to-vb] that	9
21	[coord] it is fair [to-vb] that	8
22	[coord] it is true [to-vb] that	8
23	[coord] it is fair [to-vb] that	8
24	[coord] it is difficult [to-vb] that	8
25	[coord] it is true [to-vb] that	8
26	[coord] it is [adj] to know that	8
27	[coord] it is easy [to-vb] that	8
28	[coord] it is difficult [to-vb] that	8
29	[coord] it is possible [to-vb] that	6
30	[coord] it is [adj] to realise that	6