SN4 ""

No	Pattern	Freq
1	it [adv] [verb] that	1005
2	it [adv] [verb] that	992
3	it [adv] [vb -s] that	619
4	it also [verb] that	419
5	it also [verb] that	419
6	it [adv] [vb past] that	324
7	it [adv] mean that	140
8	it [adv] happen that	126
9	it [adv] means that	104
10	it [adv] seem that	83
11	it [adv] happens that	75
12	it so [verb] that	73
13	it so [verb] that	73
14	it [adv] follow that	71
15	it [adv] seems that	61
16	it [adv] follows that	59
17	it now [verb] that	56
18	it now [verb] that	56
19	it [adv] appear that	55
20	it [adv] happened that	49
21	it [adv] say that	48
22	it just [verb] that	46
23	it just [verb] that	46
24	it therefore [verb] that	44
25	it [adv] suggest that	44
26	it therefore [verb] that	44
27	it [adv] show that	41
28	it [adv] appears that	41
29	it often [verb] that	34
30	it often [verb] that	34