SN4 ""

No	Pattern	Freq
1	[noun] has become the [noun]	61
2	[noun sg] has become the [noun]	41
3	[pron] has become the [noun]	33
4	[pers pn] has become the [noun]	19
5	it has become the [noun]	15
6	it has become the [noun]	15
7	[noun prp] has become the [noun]	14
8	[Wh det] has become the [noun]	13
9	which has become the [noun]	11
10	which has become the [noun]	11
11	[conj] has become the [noun]	8
12	[noun pl] has become the [noun]	6
13	has become the [adj] [noun]	107
14	has become the [adj] [noun]	74
15	has become the [num ord] [noun]	19
16	has become the [noun] [noun]	17
17	has become the first [noun]	14
18	has become the [adj -est] [noun]	14
19	has become the first [noun]	14
20	has become the [noun sg] [noun]	11
21	has become the [noun prp] [noun]	6
22	has become the main [noun]	5
23	has become the main [noun]	5
24	has become the [noun] [prep]	70
25	has become the [noun] [prep]	70
26	has become the [noun] of	54
27	has become the [noun] of	54
28	has become the [noun] ['s]	17
29	has become the [noun] [noun]	17
30	has become the [noun] [unc]	17