SN4 ""

No	Pattern	Freq
1	have become a [noun sg]	883
2	have become a [noun]	877
3	have become a [noun]	794
4	has become a [noun]	408
5	had become a [noun]	342
6	have become an [noun]	104
7	have become a [noun]	57
8	have become a [noun]	40
9	have become a matter	19
10	have become a matter	19
11	have to become a [noun]	19
12	have become a way	16
13	have become a way	16
14	having become a [noun]	15
15	to have become a [noun]	13
16	've become a [noun]	13
17	have become a habit	12
18	have become a part	12
19	have become a part	12
20	have become a bit	12
21	have become a habit	12
22	have become a sort	12
23	have become a bit	12
24	have become a sort	12
25	have become a symbol	11
26	have become a member	11
27	have become a symbol	11
28	have become a member	11
29	have become a victim	10
30	have become a kind	10