SN4 ""

No	Pattern	Freq
1	it [verb] some	564
2	it [vb -s] some	312
3	it [vb past] some	221
4	it have some	104
5	it take some	95
6	it has some	74
7	it took some	66
8	it takes some	29
9	it contain some	28
10	it had some	27
11	it [to-vb] some	21
12	it contains some	17
13	it make some	17
14	it require some	12
15	it seems some	11
16	it seem some	11
17	it contained some	10
18	it need some	10
19	it requires some	10
20	it provide some	9
21	it makes some	9
22	it give some	8
23	it do some	8
24	it go some	8
25	it provides some	7
26	it needs some	7
27	it produce some	7
28	it mean some	7
29	it made some	6
30	it show some	6