SN4 ""

No	Pattern	Freq
1	it become [adj] [prep]	235
2	it become [adj] [prep]	211
3	it became [adj] [prep]	150
4	it becomes [adj] [prep]	72
5	it become [adj] to	67
6	it become [adj] to	67
7	it become [adj] for	58
8	it become [adj] for	58
9	it become clear [prep]	44
10	it become clear [prep]	43
11	it become [adj] in	33
12	it become [adj] in	33
13	it become [adj] of	21
14	it become [adj] of	21
15	it become [adj] from	17
16	it become [adj] from	17
17	it become possible [prep]	16
18	it become possible [prep]	16
19	it become [num] [prep]	12
20	it become one [prep]	12
21	it become one [prep]	12
22	it become obvious [prep]	10
23	it become obvious [prep]	10
24	it become apparent [prep]	10
25	it become apparent [prep]	10
26	it become [adj] with	8
27	it become [adj] with	8
28	it become necessary [prep]	8
29	it become necessary [prep]	8
30	it become [adj] during	7