SN4 ""

No	Pattern	Freq
1	it [conj] [conj]	509
2	it [conj] [subord]	383
3	it [coord] [conj]	340
4	it and [conj]	235
5	it and [conj]	235
6	it [conj] if	132
7	it [conj] if	132
8	it [subord] [conj]	129
9	it [conj] that	83
10	it [conj] that	83
11	it [conj] [that]	83
12	it [conj] when	78
13	it [conj] when	78
14	it but [conj]	68
15	it but [conj]	68
16	it as [conj]	52
17	it as [conj]	52
18	it [conj] though	46
19	it [conj] though	46
20	it [conj] [coord]	43
21	it [that] [conj]	40
22	it that [conj]	40
23	it that [conj]	40
24	it or [conj]	37
25	it or [conj]	37
26	it [conj] and	32
27	it [conj] and	32
28	it [conj] as	31
29	it [conj] as	31
30	it because [conj]	27