SN4 ""

No	Pattern	Freq
1	[noun] become a [adj] [noun sg]	699
2	[noun] become a [adj] [noun]	695
3	[noun sg] become a [adj] [noun]	485
4	[noun] became a [adj] [noun]	384
5	[noun] becomes a [adj] [noun]	153
6	[noun prp] become a [adj] [noun]	141
7	[noun] to become a [adj] [noun]	108
8	[noun pl] become a [adj] [noun]	88
9	[noun] become a [adj] [noun]	36
10	[noun] become a major [noun]	34
11	[noun] become a major [noun]	34
12	[noun] becoming a [adj] [noun]	33
13	[noun] become a [adj] part	23
14	[noun] become a [adj] part	23
15	[noun] become a [adj] feature	19
16	[noun] become a [adj] feature	19
17	[noun] become a regular [noun]	18
18	[noun] become a regular [noun]	18
19	[noun] become a [adj] member	16
20	[noun] become a [adj] member	16
21	[noun] become a national [noun]	12
22	[noun] become a political [noun]	12
23	[noun] become a national [noun]	12
24	[noun] become a political [noun]	12
25	[noun] become a [adj -er] [noun]	12
26	[noun] become a [adj] problem	11
27	[noun] become a permanent [noun]	11
28	[noun] become a [adj] force	11
29	[noun] become a permanent [noun]	11
30	[noun] become a [adj] force	11