SN4 ""

No	Pattern	Freq
1	[noun] at the [noun prp]	5435
2	[noun sg] at the [noun prp]	3645
3	[verb] at the [noun prp]	2089
4	[noun pl] at the [noun prp]	1179
5	[vb pp] at the [noun prp]	1026
6	[adv] at the [noun prp]	605
7	[noun prp] at the [noun prp]	489
8	[adj] at the [noun prp]	369
9	[adv] at the [noun prp]	360
10	[vb past] at the [noun prp]	345
11	[v-ing] at the [noun prp]	284
12	[adv prt] at the [noun prp]	237
13	[be] at the [noun prp]	197
14	be at the [noun prp]	197
15	[num] at the [noun prp]	187
16	hold at the [noun prp]	165
17	held at the [noun prp]	159
18	[pron] at the [noun prp]	157
19	[vb base] at the [noun prp]	133
20	[conj] at the [noun prp]	132
21	[adj] at the [noun prp]	125
22	[vb -s] at the [noun prp]	121
23	[n mass] at the [noun prp]	118
24	[pers pn] at the [noun prp]	114
25	[to-vb] at the [noun prp]	112
26	look at the [noun prp]	105
27	[coord] at the [noun prp]	99
28	exhibition at the [noun prp]	93
29	exhibition at the [noun prp]	84
30	and at the [noun prp]	80