SN4 ""

No	Pattern	Freq
1	[verb] it [adv] [verb] and	33
2	[conj] it [adv] [verb] and	30
3	[subord] it [adv] [verb] and	16
4	[coord] it [adv] [verb] and	10
5	as it [adv] [verb] and	9
6	[adv] it [adv] [verb] and	9
7	[vb past] it [adv] [verb] and	9
8	as it [adv] [verb] and	9
9	and it [adv] [verb] and	7
10	and it [adv] [verb] and	7
11	[v-ing] it [adv] [verb] and	6
12	[pron] it [adv] [verb] and	5
13	[vb base] it [adv] [verb] and	5
14	[to-vb] it [adv] [verb] and	5
15	[noun] it [adv] [verb] and	5
16	[adv] it [adv] [verb] and	5
17	it be [adv] [verb] and	259
18	it [be] [adv] [verb] and	259
19	it [is] [adv] [verb] and	164
20	it is [adv] [verb] and	116
21	it [verb] [adv] [verb] and	95
22	it [was/were] [adv] [verb] and	94
23	it was [adv] [verb] and	93
24	it [vb -s] [adv] [verb] and	53
25	it 's [adv] [verb] and	48
26	it do [adv] [verb] and	46
27	it [modal v] [adv] [verb] and	37
28	it [vb mod] [adv] [verb] and	37
29	it [vb past] [adv] [verb] and	35
30	it have [adv] [verb] and	31