SN4 ""

No	Pattern	Freq
1	[adv] an [adj] and a	14
2	[prep] an [adj] and a	14
3	[adv] an [adj] and a	14
4	[prep] an [adj] and a	14
5	both an [adj] and a	13
6	both an [adj] and a	13
7	between an [adj] and a	7
8	between an [adj] and a	7
9	[verb] an [adj] and a	5
10	an [adj] [adj] and a	7
11	an [adj] [adj] and a	6
12	an [adj] [noun] and a	358
13	an [adj] [noun sg] and a	353
14	an [adj] [adj] and a	13
15	an [adj] [num] and a	7
16	an [adj] man and a	6
17	an [adj] [adj] and a	6
18	an [adj] teacher and a	6
19	an [adj] teacher and a	6
20	an [adj] man and a	6
21	an [adj] one and a	5
22	an [adj] [indef pn] and a	5
23	an [adj] mother and a	5
24	an [adj] [pron] and a	5
25	an [adj] one and a	5
26	an [adj] woman and a	5
27	an [adj] mother and a	5
28	an [adj] woman and a	5
29	an [adj] and [adv] a	13
30	an [adj] and [not/n't] a	7