SN4 ""

No	Pattern	Freq
31	it is available [adv] for	5
32	it is possible [adv] for	5
33	it is use [adv] for	5
34	it is possible [adv] for	5
35	it is good [adv] for	5
36	it is too [adv] for	5
37	it is [adv] [adj] for	1269
38	it is [adv] [adj] for	1219
39	it is [adv] [verb] for	151
40	it is [adv] possible for	144
41	it is [adv] possible for	144
42	it is [adv] [vb pp] for	118
43	it is [adv] easy for	79
44	it is [adv] difficult for	78
45	it is [adv] difficult for	78
46	it is [adv] important for	77
47	it is [adv] important for	77
48	it is [adv] [adv] for	67
49	it is [adv] necessary for	66
50	it is [adv] necessary for	66
51	it is [adv] easy for	61
52	it is [adv] [adv] for	61
53	it is [adv] unusual for	58
54	it is [adv] unusual for	58
55	it is [adv] uncommon for	55
56	it is [adv] uncommon for	55
57	it is [adv] common for	41
58	it is [adv] common for	41
59	it is [adv] impossible for	38
60	it is [adv] impossible for	38