SN4 ""

No	Pattern	Freq
1	[noun] it become [adj]	150
2	[noun] it become [adj]	143
3	[noun sg] it become [adj]	108
4	[noun] it became [adj]	97
5	[noun] it becomes [adj]	53
6	[noun] it become clear	48
7	[noun] it become clear	46
8	[noun pl] it become [adj]	36
9	[noun] it become apparent	22
10	[noun] it become apparent	22
11	[noun] it become possible	11
12	[noun] it become possible	11
13	time it become [adj]	10
14	time it become [adj]	10
15	[noun] it become obvious	9
16	[noun] it become obvious	9
17	day it become [adj]	8
18	days it become [adj]	5
19	[noun] it become evident	5
20	[noun prp] it become [adj]	5
21	month it become [adj]	5
22	[noun] it become evident	5