SN4 ""

No	Pattern	Freq
31	since it is [verb] that [noun]	5
32	then it is [verb] that [noun]	5
33	then it is [verb] that [noun]	5
34	that it is [verb] that [noun]	5
35	it is [adj] [verb] that [noun]	279
36	it is [adj] [verb] that [noun]	275
37	it is [adv] [verb] that [noun]	218
38	it is [adv] [verb] that [noun]	207
39	it is important [verb] that [noun]	72
40	it is important [verb] that [noun]	72
41	it is well [verb] that [noun]	44
42	it is well [verb] that [noun]	44
43	it is [prep] [verb] that [noun]	43
44	it is [prep] [verb] that [noun]	43
45	it is often [verb] that [noun]	42
46	it is often [verb] that [noun]	42
47	it is worth [verb] that [noun]	41
48	it is worth [verb] that [noun]	41
49	it is interesting [verb] that [noun]	29
50	it is interesting [verb] that [noun]	29
51	it is generally [verb] that [noun]	22
52	it is generally [verb] that [noun]	22
53	it is sometimes [verb] that [noun]	20
54	it is sometimes [verb] that [noun]	20
55	it is difficult [verb] that [noun]	17
56	it is difficult [verb] that [noun]	17
57	it is also [verb] that [noun]	16
58	it is also [verb] that [noun]	16
59	it is possible [verb] that [noun]	15
60	it is easy [verb] that [noun]	15