SN4 ""

No	Pattern	Freq
1	it [adv] [vb -s] that	619
2	it also [verb] that	419
3	it [adv] [vb past] that	323
4	it [adv] mean that	138
5	it [adv] happen that	125
6	it [adv] means that	104
7	it [adv] seem that	83
8	it [adv] happens that	75
9	it so [verb] that	73
10	it [adv] follow that	69
11	it [adv] seems that	61
12	it [adv] follows that	59
13	it now [verb] that	56
14	it [adv] appear that	54
15	it [adv] happened that	49
16	it just [verb] that	46
17	it [adv] say that	46
18	it therefore [verb] that	44
19	it [adv] suggest that	42
20	it [adv] appears that	41
21	it [adv] show that	41
22	it often [verb] that	34
23	it [adv] shows that	33
24	it [adv] emerge that	30
25	it [adv] meant that	30
26	it [adv] emerged that	28
27	it [adv] suggests that	28
28	it [adv] transpire that	24
29	it [adv] ensure that	23
30	it [adv] says that	23