SN4 ""

No	Pattern	Freq
1	[noun] have become a [adj]	325
2	[noun sg] have become a [adj]	204
3	[pron] have become a [adj]	147
4	[pers pn] have become a [adj]	112
5	[noun prp] have become a [adj]	66
6	it have become a [adj]	54
7	it have become a [adj]	54
8	[noun pl] have become a [adj]	53
9	he have become a [adj]	26
10	he have become a [adj]	25
11	[Wh det] have become a [adj]	24
12	[conj] have become a [adj]	21
13	which have become a [adj]	18
14	which have become a [adj]	18
15	[coord] have become a [adj]	16
16	[adj] have become a [adj]	14
17	[verb] have become a [adj]	14
18	and have become a [adj]	11
19	and have become a [adj]	11
20	[vb mod] have become a [adj]	11
21	[modal v] have become a [adj]	11
22	they have become a [adj]	10
23	she have become a [adj]	9
24	they have become a [adj]	9
25	she have become a [adj]	9
26	i have become a [adj]	8
27	i have become a [adj]	8
28	seem have become a [adj]	8
29	who have become a [adj]	7
30	[adv] have become a [adj]	7