SN4 ""

No	Pattern	Freq
1	[noun] has become [noun]	83
2	[noun sg] has become [noun]	50
3	[pron] has become [noun]	31
4	[noun prp] has become [noun]	28
5	[pers pn] has become [noun]	17
6	it has become [noun]	12
7	it has become [noun]	12
8	[Wh det] has become [noun]	10
9	which has become [noun]	7
10	which has become [noun]	7
11	[adj] has become [noun]	5
12	has [adv] become [noun]	18
13	has [adv] become [noun]	18
14	has now become [noun]	5
15	has now become [noun]	5
16	has become [art] [noun]	537
17	has become [art] [noun]	537
18	has become a [noun]	408
19	has become a [noun]	368
20	has become the [noun]	129
21	has become the [noun]	129
22	has become an [noun]	40
23	has become [adj] [noun]	39
24	has become [adj] [noun]	33
25	has become [pron] [noun]	26
26	has become [pos pn] [noun]	25
27	has become [noun] [noun]	16
28	has become his [noun]	10
29	has become his [noun]	10
30	has become [prep] [noun]	9