SN4 ""

No	Pattern	Freq
1	became a [adj]	1171
2	become a [adj]	603
3	to become a [adj]	482
4	become a [adj]	432
5	becomes a [adj]	392
6	becoming a [adj]	359
7	become a [adj]	270
8	become a major	201
9	become a regular	88
10	become a real	61
11	become a great	61
12	become a permanent	56
13	become a political	56
14	become a national	49
15	become a popular	46
16	become a full	45
17	become a serious	37
18	become a key	37
19	become a new	35
20	become a professional	34
21	become a central	33
22	become a big	32
23	become a familiar	31
24	become a leading	29
25	become a successful	28
26	become a standard	28
27	become a good	28
28	become a significant	27
29	become a separate	27
30	become a public	27