SN4 ""

No	Pattern	Freq
1	[conj] it [vb past] and	162
2	[subord] it [vb past] and	125
3	as it [vb past] and	41
4	as it [vb past] and	41
5	[coord] it [vb past] and	27
6	when it [vb past] and	24
7	when it [vb past] and	24
8	and it [vb past] and	16
9	and it [vb past] and	16
10	until it [vb past] and	14
11	until it [vb past] and	14
12	before it [vb past] and	13
13	before it [vb past] and	13
14	but it [vb past] and	11
15	but it [vb past] and	11
16	that it [vb past] and	10
17	that it [vb past] and	10
18	[that] it [vb past] and	10
19	[conj] it came and	8
20	where it [vb past] and	6
21	where it [vb past] and	6
22	[conj] it opened and	5
23	[conj] it did and	5
24	[conj] it started and	5