SN4 ""

No	Pattern	Freq
1	before it [verb]	1094
2	before it [verb]	1094
3	before it [vb -s]	556
4	before it [vb past]	535
5	before it get	114
6	before it have	104
7	before it gets	73
8	before it become	72
9	before it had	60
10	before it reach	58
11	before it go	56
12	before it became	42
13	before it got	41
14	before it come	41
15	before it start	39
16	before it reaches	36
17	before it has	36
18	before it goes	36
19	before it becomes	30
20	before it starts	25
21	before it begin	23
22	before it came	23
23	before it reached	22
24	before it happen	21
25	before it do	21
26	before it went	20
27	before it leave	19
28	before it comes	17
29	before it take	16
30	before it began	15