SN4 ""

No	Pattern	Freq
31	it become easy	16
32	it become one	15
33	it become one	15
34	it become common	14
35	it become common	14
36	it to become [adj]	14
37	it become fashionable	13
38	it become easier	13
39	it become [adj]	13
40	it become fashionable	13
41	it become hard	13
42	it become clearer	10
43	it becoming [adj]	9
44	it become hard	7
45	it become illegal	7
46	it become illegal	7
47	it become independent	6
48	it become harder	6
49	it become independent	6
50	it become plain	6
51	it become plain	6
52	it become essential	5
53	it become stuck	5
54	it become insolvent	5
55	it become public	5
56	it become insolvent	5
57	it become effective	5
58	it become inevitable	5
59	it become stuck	5
60	it become effective	5