SN4 ""

No	Pattern	Freq
1	[noun] and [prep] an	350
2	[noun sg] and [prep] an	232
3	[noun pl] and [prep] an	88
4	[adj] and [prep] an	53
5	[adv] and [prep] an	49
6	[adv] and [prep] an	42
7	[adj] and [prep] an	33
8	[verb] and [prep] an	24
9	[noun prp] and [prep] an	24
10	[num] and [prep] an	15
11	[prep] and [prep] an	9
12	[pron] and [prep] an	9
13	[vb pp] and [prep] an	9
14	[prep] and [prep] an	9
15	[to-vb] and [prep] an	7
16	time and [prep] an	7
17	time and [prep] an	7
18	[adv prt] and [prep] an	7
19	[n mass] and [prep] an	6
20	before and [prep] an	5
21	before and [prep] an	5
22	[pers pn] and [prep] an	5
23	and [verb] [prep] an	1055
24	and [noun] [prep] an	799
25	and [noun sg] [prep] an	458
26	and [vb pp] [prep] an	416
27	and [noun pl] [prep] an	279
28	and [adv] [prep] an	261
29	and [vb past] [prep] an	195
30	and [adv] [prep] an	176