SN4 ""

No	Pattern	Freq
1	[noun] [prep] an [noun] to a	65
2	[noun sg] [prep] an [noun] to a	53
3	[verb] [prep] an [noun] to a	50
4	[vb pp] [prep] an [noun] to a	28
5	[noun pl] [prep] an [noun] to a	11
6	[adj] [prep] an [noun] to a	10
7	[adv] [prep] an [noun] to a	8
8	[v-ing] [prep] an [noun] to a	8
9	[pron] [prep] an [noun] to a	6
10	[adv] [prep] an [noun] to a	6
11	[conj] [prep] an [noun] to a	6
12	[prep] [verb] an [noun] to a	14
13	[prep] [v-ing] an [noun] to a	13
14	[prep] [det] an [noun] to a	6
15	[prep] [adj] an [noun] to a	6
16	[prep] an [adj] [noun] to a	70
17	[prep] an [adj] [noun] to a	68
18	[prep] an [noun] [noun] to a	19
19	[prep] an [noun sg] [noun] to a	16
20	[prep] an [noun] [verb] to a	31
21	[prep] an [noun] [noun sg] to a	19
22	[prep] an [noun] [noun] to a	19
23	[prep] an [noun] [vb pp] to a	9
24	[prep] an [noun] [vb -s] to a	8
25	[prep] an [noun] [v-ing] to a	7
26	[prep] an [noun] amounts to a	6
27	[prep] an [noun] amount to a	6
28	[prep] an [noun] to [be] a	7
29	[prep] an [noun] to [be] a	7
30	[prep] an [noun] to be a	7