SN4 ""

No	Pattern	Freq
31	once it is [verb] that	29
32	[that] it is [verb] that	28
33	that it is [verb] that	28
34	that it is [verb] that	28
35	[num] it is [verb] that	27
36	as it is [verb] that	27
37	as it is [verb] that	27
38	[noun prp] it is [verb] that	21
39	since it is [verb] that	18
40	since it is [verb] that	18
41	where it is [verb] that	17
42	where it is [verb] that	17
43	while it is [verb] that	16
44	while it is [verb] that	16
45	then it is [verb] that	15
46	thus it is [verb] that	15
47	then it is [verb] that	15
48	thus it is [verb] that	15
49	though it is [verb] that	12
50	unless it is [verb] that	12
51	unless it is [verb] that	12
52	though it is [verb] that	12
53	until it is [verb] that	11
54	until it is [verb] that	11
55	year it is [verb] that	10
56	[adj] it is [verb] that	10
57	[det] it is [verb] that	10
58	however it is [verb] that	9
59	case it is [verb] that	9
60	now it is [verb] that	9