SN4 ""

No	Pattern	Freq
1	[noun] [noun] have become [art]	289
2	[adj] [noun] have become [art]	286
3	[art] [noun] have become [art]	248
4	[art] [noun] have become [art]	248
5	the [noun] have become [art]	236
6	the [noun] have become [art]	236
7	[adj] [noun] have become [art]	219
8	[noun sg] [noun] have become [art]	171
9	[noun prp] [noun] have become [art]	102
10	[conj] [noun] have become [art]	88
11	[prep] [noun] have become [art]	81
12	[prep] [noun] have become [art]	81
13	[pron] [noun] have become [art]	53
14	[pos pn] [noun] have become [art]	45
15	[det] [noun] have become [art]	44
16	[coord] [noun] have become [art]	42
17	of [noun] have become [art]	42
18	of [noun] have become [art]	42
19	and [noun] have become [art]	33
20	and [noun] have become [art]	33
21	that [noun] have become [art]	28
22	that [noun] have become [art]	28
23	[that] [noun] have become [art]	28
24	[unc] [noun] have become [art]	26
25	[verb] [noun] have become [art]	21
26	['s] [noun] have become [art]	21
27	[subord] [noun] have become [art]	18
28	[adv] [noun] have become [art]	17
29	[num] [noun] have become [art]	17
30	's [noun] have become [art]	17