SN4 ""

No	Pattern	Freq
1	[noun] [adv] than a [adj]	451
2	[noun sg] [adv] than a [adj]	354
3	[verb] [adv] than a [adj]	210
4	[adj] [adv] than a [adj]	147
5	[adj] [adv] than a [adj]	131
6	[prep] [adv] than a [adj]	127
7	[prep] [adv] than a [adj]	127
8	[vb pp] [adv] than a [adj]	92
9	be [adv] than a [adj]	89
10	[be] [adv] than a [adj]	89
11	[noun pl] [adv] than a [adj]	82
12	[adv] [adv] than a [adj]	71
13	[adv] [adv] than a [adj]	50
14	[was/were] [adv] than a [adj]	44
15	was [adv] than a [adj]	35
16	of [adv] than a [adj]	34
17	of [adv] than a [adj]	34
18	[vb past] [adv] than a [adj]	33
19	[conj] [adv] than a [adj]	30
20	for [adv] than a [adj]	28
21	for [adv] than a [adj]	28
22	[pron] [adv] than a [adj]	23
23	[to-vb] [adv] than a [adj]	22
24	[vb base] [adv] than a [adj]	19
25	[coord] [adv] than a [adj]	19
26	with [adv] than a [adj]	19
27	[v-ing] [adv] than a [adj]	19
28	with [adv] than a [adj]	19
29	[is] [adv] than a [adj]	17
30	[pers pn] [adv] than a [adj]	16