SN4 ""

No	Pattern	Freq
1	[adv] [adj] a century	87
2	[adv] [adj] a century	85
3	[prep] [adj] a century	77
4	[prep] [adj] a century	77
5	for [adj] a century	40
6	for [adj] a century	40
7	nearly [adj] a century	32
8	nearly [adj] a century	32
9	[conj] [adj] a century	31
10	than [adj] a century	27
11	[subord] [adj] a century	27
12	than [adj] a century	27
13	over [adj] a century	25
14	over [adj] a century	25
15	[verb] [adj] a century	21
16	almost [adj] a century	14
17	[noun] [adj] a century	14
18	almost [adj] a century	14
19	in [adj] a century	11
20	in [adj] a century	11
21	of [adj] a century	9
22	of [adj] a century	9
23	[noun sg] [adj] a century	7
24	after [adj] a century	7
25	after [adj] a century	7
26	[vb pp] [adj] a century	5
27	[vb past] [adj] a century	5
28	[adj] [conj] a century	106
29	[adj] [subord] a century	106
30	[adj] than a century	104