SN4 ""

No	Pattern	Freq
1	that [conj] it	676
2	[that] [subord] it	673
3	[that] if it	266
4	[that] if it	266
5	[that] when it	131
6	[that] when it	131
7	[that] while it	59
8	[that] while it	59
9	[that] although it	50
10	[that] although it	50
11	[that] because it	36
12	[that] because it	36
13	[that] as it	23
14	[that] as it	23
15	[that] since it	19
16	[that] since it	19
17	[that] cos it	16
18	[that] cos it	16
19	[that] once it	13
20	[that] once it	13
21	[that] unless it	11
22	[that] unless it	11
23	[that] whether it	10
24	[that] whether it	10
25	[that] where it	9
26	[that] where it	9
27	[that] though it	7
28	[that] though it	7
29	[that] before it	5
30	[that] whereas it	5