SN4 ""

No	Pattern	Freq
1	[noun sg] it [vb -s] that	144
2	[noun sg] it [vb past] that	88
3	[noun sg] it seem that	77
4	[noun sg] it appear that	47
5	[noun sg] it seems that	43
6	[noun sg] it appears that	40
7	[noun sg] it seemed that	34
8	[noun sg] it mean that	27
9	[noun sg] it means that	20
10	time it [verb] that	13
11	[noun sg] it follows that	11
12	[noun sg] it say that	11
13	[noun sg] it follow that	11
14	[noun sg] it emerge that	10
15	[noun sg] it emerged that	9
16	moment it [verb] that	9
17	[noun sg] it says that	7
18	[noun sg] it appeared that	7
19	case it [verb] that	7
20	[noun sg] it meant that	7
21	practice it [verb] that	6
22	analysis it [verb] that	6
23	point it [verb] that	6