SN4 ""

No	Pattern	Freq
1	have become a [noun sg]	862
2	have become a [noun]	774
3	has become a [noun]	404
4	had become a [noun]	339
5	have become an [noun]	103
6	have become a [noun]	54
7	have become a [noun]	31
8	have become a matter	19
9	have become a matter	19
10	have become a way	16
11	have become a way	16
12	having become a [noun]	14
13	to have become a [noun]	13
14	've become a [noun]	13
15	have become a bit	12
16	have become a bit	12
17	have become a part	12
18	have become a part	12
19	have become a sort	12
20	have become a sort	12
21	have become a symbol	11
22	have become a member	11
23	have become a symbol	11
24	have become a member	11
25	have become a kind	10
26	have become a victim	10
27	have become a victim	10
28	have become a habit	10
29	have become a habit	10
30	have become a kind	10