SN4 ""

No	Pattern	Freq
1	[conj] it [vb past] at	136
2	[subord] it [vb past] at	80
3	[coord] it [vb past] at	40
4	[noun] it [vb past] at	36
5	as it [vb past] at	29
6	as it [vb past] at	29
7	[noun sg] it [vb past] at	27
8	[adv] it [vb past] at	24
9	and it [vb past] at	22
10	when it [vb past] at	22
11	and it [vb past] at	22
12	when it [vb past] at	22
13	but it [vb past] at	18
14	but it [vb past] at	18
15	[adv] it [vb past] at	18
16	that it [vb past] at	16
17	[that] it [vb past] at	16
18	that it [vb past] at	16
19	[verb] it [vb past] at	15
20	[adj] it [vb past] at	13
21	[prep] it [vb past] at	8
22	[Wh det] it [vb past] at	8
23	[prep] it [vb past] at	8
24	if it [vb past] at	8
25	[num] it [vb past] at	8
26	if it [vb past] at	8
27	[pron] it [vb past] at	8
28	[vb past] it [vb past] at	6
29	what it [vb past] at	6
30	than it [vb past] at	6