SN4 ""

No	Pattern	Freq
1	[verb] on a [noun sg] at the	34
2	[vb pp] on a [noun sg] at the	16
3	[noun] on a [noun sg] at the	12
4	[be] on a [noun sg] at the	10
5	be on a [noun sg] at the	10
6	[adv] on a [noun sg] at the	9
7	[noun sg] on a [noun sg] at the	8
8	[vb past] on a [noun sg] at the	7
9	[am/are] on a [noun sg] at the	6
10	sit on a [noun sg] at the	5
11	[adv prt] on a [noun sg] at the	5
12	[v-ing] on a [noun sg] at the	5
13	on a [adj] [noun sg] at the	47
14	on a [adj] [noun sg] at the	45
15	on a [noun] [noun sg] at the	22
16	on a [noun sg] [noun sg] at the	22
17	on a small [noun sg] at the	5
18	on a [noun sg] [noun] at the	22
19	on a [noun sg] [noun sg] at the	22
20	on a [noun sg] at the [noun]	62
21	on a [noun sg] at the [noun sg]	55
22	on a [noun sg] at the [adj]	11
23	on a [noun sg] at the moment	9
24	on a [noun sg] at the moment	9
25	on a [noun sg] at the [adj]	8
26	on a [noun sg] at the end	7
27	on a [noun sg] at the end	7
28	on a [noun sg] at the [noun prp]	7