SN4 ""

No	Pattern	Freq
1	[adv] it [det] begin	20
2	[conj] it [det] begin	20
3	[Wh adv] it [det] begin	16
4	how it [det] begin	11
5	how it [det] begin	11
6	[subord] it [det] begin	10
7	[coord] it [det] begin	7
8	do it [det] begin	7
9	[vb past] it [det] begin	7
10	[verb] it [det] begin	7
11	did it [det] begin	7
12	and it [det] begin	6
13	where it [det] begin	6
14	and it [det] begin	6
15	where it [det] begin	6
16	it [det] begin [prep]	25
17	it [det] begin [prep]	25
18	it [det] begin [conj]	14
19	it [det] begin [subord]	13
20	it [det] begin when	10
21	it [det] begin when	10
22	it [det] begin in	9
23	it [det] begin in	9
24	it [det] begin [verb]	6
25	it [det] begin with	6
26	it [det] begin [to-vb]	6
27	it [det] begin with	6