SN4 ""

No	Pattern	Freq
1	[prep] an [noun sg] at the [noun]	108
2	[prep] an [noun sg] at the [noun]	108
3	[verb] an [noun sg] at the [noun]	103
4	be an [noun sg] at the [noun]	34
5	[be] an [noun sg] at the [noun]	34
6	[vb past] an [noun sg] at the [noun]	28
7	[adv] an [noun sg] at the [noun]	25
8	[to-vb] an [noun sg] at the [noun]	23
9	in an [noun sg] at the [noun]	23
10	in an [noun sg] at the [noun]	23
11	was an [noun sg] at the [noun]	17
12	[v-ing] an [noun sg] at the [noun]	17
13	[was/were] an [noun sg] at the [noun]	17
14	[vb pp] an [noun sg] at the [noun]	17
15	of an [noun sg] at the [noun]	15
16	of an [noun sg] at the [noun]	15
17	[is] an [noun sg] at the [noun]	14
18	[adj] an [noun sg] at the [noun]	14
19	to an [noun sg] at the [noun]	12
20	to an [noun sg] at the [noun]	12
21	for an [noun sg] at the [noun]	12
22	for an [noun sg] at the [noun]	12
23	[adv prt] an [noun sg] at the [noun]	12
24	is an [noun sg] at the [noun]	11
25	as an [noun sg] at the [noun]	11
26	as an [noun sg] at the [noun]	11
27	[vb infin] an [noun sg] at the [noun]	11
28	[conj] an [noun sg] at the [noun]	11
29	[adv] an [noun sg] at the [noun]	10
30	[det] an [noun sg] at the [noun]	10