SN4 ""

No	Pattern	Freq
1	[noun] at a [adj] [noun]	2765
2	[verb] at a [adj] [noun]	2447
3	[noun sg] at a [adj] [noun]	1909
4	[vb pp] at a [adj] [noun]	1049
5	[noun pl] at a [adj] [noun]	670
6	[adv] at a [adj] [noun]	599
7	[v-ing] at a [adj] [noun]	445
8	[adv] at a [adj] [noun]	347
9	[conj] at a [adj] [noun]	306
10	be at a [adj] [noun]	277
11	[be] at a [adj] [noun]	277
12	[vb past] at a [adj] [noun]	271
13	[to-vb] at a [adj] [noun]	238
14	[adv prt] at a [adj] [noun]	238
15	[adj] at a [adj] [noun]	232
16	[pron] at a [adj] [noun]	211
17	[coord] at a [adj] [noun]	208
18	look at a [adj] [noun]	173
19	[vb -s] at a [adj] [noun]	162
20	[pers pn] at a [adj] [noun]	158
21	[adj] at a [adj] [noun]	148
22	[vb base] at a [adj] [noun]	148
23	[vb infin] at a [adj] [noun]	134
24	[noun prp] at a [adj] [noun]	131
25	arrive at a [adj] [noun]	106
26	and at a [adj] [noun]	100
27	and at a [adj] [noun]	100
28	[was/were] at a [adj] [noun]	86
29	[subord] at a [adj] [noun]	77
30	looking at a [adj] [noun]	75