SN4 ""

No	Pattern	Freq
1	[noun] [pron] have become	538
2	[conj] [pron] have become	534
3	[noun sg] [pron] have become	297
4	[subord] [pron] have become	226
5	[noun pl] [pron] have become	186
6	[that] [pron] have become	161
7	that [pron] have become	161
8	that [pron] have become	161
9	[coord] [pron] have become	147
10	[adv] [pron] have become	139
11	[verb] [pron] have become	138
12	[prep] [pron] have become	123
13	[prep] [pron] have become	123
14	[pron] [pron] have become	106
15	[adv] [pron] have become	104
16	[adj] [pron] have become	101
17	and [pron] have become	93
18	and [pron] have become	93
19	[Wh det] [pron] have become	71
20	of [pron] have become	53
21	because [pron] have become	53
22	because [pron] have become	53
23	of [pron] have become	53
24	but [pron] have become	51
25	but [pron] have become	51
26	[num] [pron] have become	47
27	as [pron] have become	44
28	which [pron] have become	44
29	which [pron] have become	44
30	as [pron] have become	44