SN4 ""

No	Pattern	Freq
1	[noun] have become	4583
2	[pron] have become	2637
3	[noun sg] have become	2524
4	[pers pn] have become	1938
5	[noun pl] have become	1191
6	[noun prp] have become	779
7	it have become	779
8	it have become	779
9	[Wh det] have become	459
10	[conj] have become	366
11	he have become	360
12	he have become	357
13	which have become	318
14	which have become	318
15	[modal v] have become	307
16	[vb mod] have become	307
17	they have become	261
18	they have become	247
19	[adj] have become	245
20	[coord] have become	198
21	[Wh pn] have become	198
22	who have become	195
23	who have become	195
24	[verb] have become	191
25	[adv] have become	182
26	i have become	180
27	i have become	179
28	she have become	176
29	she have become	172
30	[that] have become	154